The Most Hated Box In Ham Radio
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- čas přidán 15. 07. 2024
- With great power comes great ability to troll and create interference. It seems always too easy for this to be a problem as it is to be helpful.
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#HRCC #hamradio #amateurradio
00:00 - What is this thing?!
00:48 - How it works
02:08 - Why Use This?
03:05 - What else can this do?
04:11 - Demonstrating audio playback
04:43 - Setup and Use
09:51 - My Thoughts?
11:02 - Is this thing legal? - Věda a technologie
Hey, I'm the designer of the ADS-SR1 and the owner of Argent Data Systems and I'd be happy to answer any questions! The wide voltage range is there partly to cover aeronautical use and other cases where you'd run from 24 volts, but it's using a linear regulator so it just gets progressively less efficient at high voltages and the regulator gets hot. Keep it to 12 or less if you can.
There are a few different ways you can set it up to only repeat when needed. There are a set of 1-digit commands that can be enabled to turn it on and off without needing an access code, and it can be set to turn off again after an idle period. The idea is that you call without the repeater, and if you don't get through, you punch a key to enable it and try your call again through the repeater, and turn it off when you're finished.
You can also use the 'say again' function (DTMF 0) to have it repeat the last thing it heard. There's no time limit on that (except it's not retained across power cycles) so you can use it to check what the last activity on the frequency was. So maybe you set it up at your campsite, hike off out of range, and then when you get back in range you query it with 0 to see if anyone called you while you were gone. You can also make it an adjunct to a duplex repeater frequency to see what the last transmission on the duplex repeater was.
The unit doesn't care if what you have it hooked up to is a radio. We have customers using them as interconnects from radio systems to PAs, like at schools, so you activate the unit with a code, make your announcement, and then it gets replayed over the PA speakers - without risking feedback.
Another use case is coverage testing. If you're considering a site for a new duplex repeater, you can drop an SR1 there and drive around and do radio checks to see how you're getting in from various places you want covered. Along those lines there are also a lot of marinas using them to do an automated radio check so boats headed out can check their radios without bothering the Coast Guard.
The SR1 should be getting a major update soon in the form of NFC support and an Android app. You'll need an add-on board if you've already got an SR1 (Mk II version, from about 2018 onward) to add the NFC antenna. Instead of configuring everything through DTMF, you'll be able to just tap your phone or tablet to the device, update the settings on screen, and then tap again to save. That ought to be ready later this year. Eventually you'll be able to load announcements that way and do some real-time diagnostics but that might not make it into the first version since it requires a more complicated NFC pass-through communication mode.
As for legality, I'm not a lawyer either. The project started because 15 years ago my dad, KB6VAA, couldn't get a signal to anyone from the hole his house sat in. He wanted a Radio Shack simplex repeater but they'd been discontinued for years. I bought him an MFJ unit, went to set it up, and decided it was garbage and I could whip up something better. It got developed into a proper product sometime later. I read the Part 97 rules myself and it's ambiguous, so I did some asking around. I did learn a few things, like that in 2008 it cost $400/hour to hire a specialist communications lawyer who *might* be able to get a definitive answer from the FCC. Eventually. It's something the FCC doesn't seem inclined to clarify unless there's a test case. At the end of the day, it came down to the fact that Radio Shack and MFJ had been selling equivalent units for many years without any legal issues. Not on the ham bands, anyway. I've heard of at least one FRS simplex repeater bust. When someone asks us about legality, we'll tell them when we *know* something is not permitted (like FRS operation) but beyond that it's on the user to figure out if their specific use case is legal in their jurisdiction.
There's a much more sophisticated ADS-SR2 (that will probably get a different name) in the works but it's on the back burner now because parts have become unavailable. It'll have to be ported to another platform. It's able to function as a duplex and cross-band repeater, plus RoIP gateway (with native Echolink support) and it has a graphical programming interface where you just draw audio connections between functional blocks like receivers, transmitters, and delay buffers. I have no idea when that might hit the market at this point but hopefully we'll get some new components qualified soon and be able to get development going again.
Thank you! I really enjoy your repeater!
You mention FRS, what about GMRS? As hunting parties we often all end up on the same hillside in different draws. A repeater on the hill opposite, say in a parked truck, could be line of sight to all of us, when we are not, even though we are only a couple hundred yards apart.
Yea. It’ll work fine. You just need to have e the right cable.
Your reply is amazing. Thank you!
Very cool post, thank you.
I absolutely love these Argent units....Three years ago, I had 15 (fifteen) of these units working legally on Blue Dot business frequencies in very remote/isolated Alaska regions supplying radio comms for science crews working in isolated valleys. Control was via DTMF frequencies and CW ID transmitted every 10 minutes. If necessary (usually) Personnel could send a mailbox message from an isolated valley to the mountain top Argent repeater unit. Requests for Helicopter pick-up time changes, supplies.... The message could then be accessed by base personnel located 50 miles away. While a regular business duplex repeater cost around $2000+ (US), the Argent unit was approximately $100 bucks. My clients loved the cost savings. I used Tera VHF/UHF radios in large Pelican case powered via solar panels. Additionally, I found Scott from Argent to be top notch in support of his products.
That’s cool! What a good use case!
I do remember more then 30 years back, S52ZB (now SK) made a simplex repeater on 2 mtr HAM band in Slovenia called DVR repeater that was in use frequently. The limitation on the message length was 30 seconds. When the memory was full (30 seconds) the repeater start to repeat the message no matter if the guy is still talking or not 🙂. We quickly learn how to communicate using simple and short overs. Nice memories....
Store and Forward repeater has really been around for a very long time, very useful for rural underserved areas without duplex coverage.
If you use diferent CTCSS or DCS for TX and RX you only ear the repeater machine.
That avoids the temptation of answering right away when you are in range of the other guy (wich is the problem with the simplex repeaters).
You can also use half-duplex:
One TX QRG and a diferent RX QRG on the simplex mountain top unit (yes, both have CTCSS or DCS).
That way, you can use the regular simplex channel for everyday tac comms at short distances, but at the same time receive a call from someone out of range.
Then you just change to channel 2 for answering....
Really works for low traffic comms.
When on large family camping trips (50-100 people) in remote areas with repeater dead zones I setup this simplex relay along with a crossband repeater, both 5 watts. They go on separate hilltops overlooking multiple separated valleys/lakes.
I set one of the crossband repeater frequencies to the simplex relay frequency which gives me my own portable linked repeater network with voicemail (talk into one repeater and get heard two valleys over via the second repeater where the first repeater doesn’t cover.)
Just have to make sure I use CTCSS/DCS and keep my frequencies far away from any local repeater or common local simplex frequencies. I like to operate in the “experimental” portion of any given band. Works amazing!
Back in the late 90's I knew someone who had one that was called a talk back at that time.
wasn't as many options as the have now. I have never come across someone using one
since. Nice video, thanks for the memory. 73's Gary KF6EWO
We use them on business band for mining/geological work in remote areas. The repeater/relay controller is always connected to our mobile radios and can be activated with three button presses. Some clever programming allows it to ID in the clear and also pass secure digital voice. Most importantly, they operate with a standard 5MHz offset so the end user experience is less jarring. The end result is dramatically extending the range of our portables. Crossband operation is out because quality dual-band commercial radios are cost-prohibitive.
Fascinating. Thanks for introducing us to the trollbox.
@Emmanuel Goldstein Hit the translate button. It’s hilarious.
A testing box! As a new ham with new radios & antennas - who didn’t know he lives in a dead zone and had some defective connectors - I would have avoided torturing my club’s repeaters nets if I had a place to hear what I was transmitting. A simplex repeater is exactly what I was looking for.
I looked at the specs again on the website, it is how you setup legal ID to use on the mountain top: "Voice Beacon
Up to 10 voice announcements can be stored in the ADS-SR1’s non-volatile memory. Each message can be set to transmit at a specified interval, and a time offset setting allows beacons to be staggered or rotated. Intervals can be from a few seconds up to twelve hours. One message can also be configured to play in response to an incoming transmission. This can be used for repeater identification, or to provide instructions on using the repeater or voice mail. A separate inhibit timer stops the message from playing again for a specified time interval."
And so you setup that inhibit timer for 10 mins needed repeater ID until no-one is transmitting anymore.
When I bought mine years back, I chuckled about "security code" function... as I watched my laptop decode all the DTMF tones real-time. 🙂
Lol yes.
'Security' is always relative! A 3-digit DTMF code is about as secure as a cheap file cabinet lock - it resists casual tampering and that's about it. Maybe when the configuration app comes out we'll add a one-time password option, but the lack of a real-time clock complicates things. In all the years it's been shipping, I don't think anyone has requested a higher security option.
I wear a seat belt - it gives me some 'security' - but it won't stop anyone from breaking into my car 😂
Seriously, though, dtmf security is protection against being 'the most hated' ham, if you use one of these. If you keep your device (and yourself) under control, even just a little bit, nobody is going to mind!
Yes thank you for this ahah. I had experience hitting one of these on .520. Drove me nuts.
Here in the UK a friend did set up a "Parrot" on 4m, to be honest it drove me mad, but as another commenter mentioned CTCSS will readily allow users to not hear everything twice. This variant cold be very useful, if friends are hiking out of cell phone coverage they could periodically transmit their location to the recorder and others could interrogate it.
Where I grew up there was a simplex repeater (this was in the 90s) that lived out in the middle of nowhere and ran on emergency power that people used as a regular repeater. I think they are legal - I don't see why not. To be fair they eventually changed that repeater to be normal duplex.
I use one of these for a GMRS repeater. I have it set up just like a normal repeater with the standard split and P.L. on. By using the split it doesn't get as confusing as on simplex. You still hear yourself talking though... lol Works great.
The Yaesu FT-212RH had the DTMF mailbox in it back in the 1990's. Simplex repeaters were flown as a payload on balloon launch's in the 90's using an assy. from a greeting card that you could record a message on it. nice video on neat package. NØPXJ
Now I want to set one up to intermittently broadcast "This is not a dream... we are transmitting from the year 1-9-9-9..." (jk).
Yes the capability of this unit is impressive. Back in the 80's I designed a similar unit using a cassette recorder...this is miles beyond. However it can be dangerous in that it can operate as a jammer on frequencies. On the positive, it can be used for beaconning to test propagation; eg., connect it to a multifrequency radio at a location to determine best frequency for coverage.
Now that is a quick video creating turnaround! You filmed at least some of it today, Wednesday the 19th! You are the best! De K1MAZ
All the overhead and end was all done today. First half was edited yesterday before we recorded the first half of the podcast :D
They are a really good tool for specific use cases - especially groups hiking/camping in remote areas. Use an uncommon frequency (not a calling freq, not a repeater input, not in the satellite band.) Use tone squelch if possible. Use lowest power that gets the job done. Don't use it as a permanent installation. If you do all that, nobody will hate you because nobody else will hear you.
I can see a troll setting up 2 of these and then wait for one person to transmit then it just repeats the call repeatedly until they're either DFed or batteries die.
Well that's cool...I live in a hilly rocky area and loose connection to my guys out in the field, hunting...might give this a try.
That voltage range is hilarious and epic
Thank you.
Bob Ross would say that is a "happy little radio" on top of that mountain.
I use this Box on PMR446 in Germany. Works just fine.
First, soft boxes lighting is a noticeable improvement. As for the Argent box... it's like a Leatherman multi tool with an extremely sharp blade attachment. Easy to hurt yourself but also does so many good things. Uses: Immediately thought of a Fox Hunt... beats just having a straight beacon that is unidentifiable. The duration function could pulse this out for 15 seconds every 3 minutes. Including your call sign would make sense. ould also ise DTF tones to trigger it on demand. Also, the recording function, even at 100 minutes, would be great for recording net meetings. It would be great backup for the net controller. I'm sure there's others.
Good ideas! That meeting minutes thing is intriguing.
@@HamRadioCrashCourse Recording on the SR1 is all transmission-oriented so it wouldn't record a bunch of back and forth, but recording to an SD card (or to a network location) is a function planned for the ADS-SR2. And that reminds me, I ought to dig out the prototype Memory Speaker that was demoed years ago at Dayton and dropped due to other priorities. It's basically a radio Tivo speaker - you can pause live audio and jump forward or back, by transmission or fixed time interval, and it keeps recording while playing back so you don't miss new traffic.
The dreaded Baofeater!
I had one similar to that from Radio Shack years ago. I hooked it up to the FRS frequencies. I would mess with the neighbor kids. they didn't know what was going on. It was a whole lot of fun.
Back in the 80s or 90s my friend built a box that just did a courtesy beep and he set it up on a CB frequency. Drove the CBers crazy. They were making death threats against whoever was beeping at them every transmission.
Don't think of simplex as "transmitting on the same frequency", but rather "not transmitting at the same time". Meaning, the device cannot transmit the same time it's receiving like typical repeaters. But if you set your radio up as you would for any repeater with a frequency, appropriate offset, even a tone, then set the repeater with opposite frequency/offset and optional tone, it would work like a normal repeater except the transmission repeat is delayed.
Station A/B/*:
Frequency: 146.880 (transmits on 146.280, receives on 146.880)
Offset: -600
Simplex Repeater:
Frequency: 146.280 (transmits on 146.880, receives on 146.280)
Offset: +600
very interesting & entertaining, too, as are all of ur vids! Thanx for posting & 73 de WA4ELW in TN 🇺🇸 dit dit 😀
I use a Simplex repeater to radio check stuff like new radios or antennas.
I believe it’s fully legal. 1: That device has full DTMF remote control & Auto callsign ID. So as the control operator you are able to disable or enable this repeater. Which meets the FCC legal requirements of operating a repeater. (Reason 2 actually makes reason 1 completely unnecessary in the case of this device) 2: If you read into the details of how the FCC defines a “repeater” you would see that a repeater is described as a device that simultaneously re-transmits the incoming signal. This device cannot be legally categorized as a repeater because it does not do this. It records an incoming signal then re-transmits it once the incoming signal has dropped. This is called “store & forward” or “relay” (similar to a APRS digipeater but with voice). which does not fit the FCC definition of a “repeater” & therefore is completely legal as long as you do not cause harmful interference, which can easily be done by staying away from local repeater & common simplex frequencies. I recommend operating in the “experimental” portion of any given band to avoid problems. I always use mine with CTCSS tone and typically only when camping in the backcountry.
Good comment. My concern is the remote operation here still.
If the control channel is in-band then it cannot year your DTMF codes if someone else's carrier is stronger, so you don't actually have full control of it. While I have a doubt about the "complete" legality of it, I do not automatically see anything particularly wrong with it and it could certainly be useful in some remote areas that lack a proper repeater.
I wonder, however, what would happen if two of these things could hear each other. It would be like Furbies having a conversation that never ends.
@@HamRadioCrashCourse Luckily it has many remote control features. Including: #70 - Repeater Off
Turns off the simplex repeater function. The unit will respond to commands, record ‘say again’ messages, play announcements, and accept voicemail as usual, but it won’t automatically repeat transmissions.
@@thomasmaughan4798 This device has a timeout feature so eventually the control operator should be able to input a control command to shut down the repeater: ##06 - Set Auto-Off Timer
The repeater function automatically shuts off after the specified idle
interval, and may be turned on again with ‘3’ or off with ‘6’. These on and off functions do not require the access code to be entered. Setting the auto-off timer to 0 disables this function. Default is disabled.
Example: ##06045 - Set timer to 45 seconds
Also this feature: ##18 - Repeater Cool-down Time
If the repeater times out due to a long transmission, it will stop repeating
transmissions until the period of time specified by this setting has expired. This can be used to avoid transmitter overheating, to ensure that a repeater with a stuck squelch remains controllable, or to penalize overly long-winded users. Set to zero to disable. Default is disabled.
Example: ##1802 - Set cool-down time to 2 minutes
If they could hear each other? Chaos. 👀
In a shtf situation the timer function would make it great for getting a message out when you're not near it
Advantage there is you don’t have to be at the station in case a motor gets dropped on the signal.
@@HamRadioCrashCourse, yep. I was thinking there are some tactical reasons to deploy such a unit.
In my state. The frequency coordinator says it is legal as long as you can shut it off and does not interference
Hated?!?!? Buddy of mine has one, love how it works, and hes got plans to add this to our clubs repeater location for SHTF kinda thing
There are a ton of these repaeters here in Hungary on PMR frequencies. They called " PMR Parrots". So many non-licesend people using them. The stright way to get infuenced with radio and so many times the first step towards the licese. :]
On my cross band repeat at the house I always have tones set up so it won't re transmit garbage and no one uses UHF around here so there is never any busy freq's anyway. I will say a buddy of mine set up his cross band repeater input on a output frequency of a repeater. He put no tones on. It was a cluster. I kept saying " Turn it off, turn it off " lol.
lol i made one of those units with software and pc. Store and fwd. Good for dx reports and what your audio sounds like ... fun to play with KD5RCH
Looks like a fun way to make a fox for fox hunts as well!
I’ve had one of those for over 10 years. Nifty devices with many uses.
Such as...?
@@BRJ2 Bridge a radio system to a public address speaker system, do automated radio checks for boats leaving marinas, test coverage for a proposed repeater site, send pre-recorded messages for a fox hunt, repeat slow-scan TV frames, or use the say-again function to check what the last traffic on the frequency was, even if it's hours or days later.
@@n1vg thanks, I'm new to amateur radio. I want to learn all I can.
This means something!!!
Looks like you could use this as a club fox for radio fox hunting.
Cool video
I could see a use for this devices. You could use to rebroadcast you APRS packets, if you are in a situation where your packets cannot get out far enough, or you want to use lower output power. Setup a radio connected to it, to listen on a uncommon frequency with a receive pl tone, and transmit on the APRS frequency.
It'll repeat APRS packets, but it's not ideal. It doesn't do any regeneration of the signal, so it degrades like any analog recording. A proper digipeater would be better. Fun fact, the SR1 does actually have a 1200-baud software modem. It's used for firmware updates, which are distributed as audio files.
It's physically capable of being a digipeater but that was too far beyond the scope of its purpose. The ADS-SR2, if it ever sees the light of day, will probably have that option. The ADS-SR2 prototype is essentially the same platform as the Tracker4 (now discontinued due to parts being unavailable) and it functions as a digipeater simply by virtue of the fact that it hasn't had that feature disabled.
@@n1vg I never said it was ideal. I said I could see a possible use.
@@dschirpke It's certainly been done. The sample rate is higher than it really needs to be for voice alone, so it'll work where some competitors wouldn't.
It comes in handy when needing to test simplex range. I was able to test range on a simplex freq needed for an emergency service to check if the antenna height was high enough for the range it needed to get. Instead of trying to find another person to sit at the base radio and tell me yes or no if I was making it. I was able to test it alone. Being able to hear my transmission come back to me helped in the testing of the range. Of course if I were to put one up for a long time, I would use tones on both tx and rx. If not used 2 diffrent tones one say 141.3 for tx and say 100.0 for rx. The radio you use, the tones would be 100.0 for tx and 141.3 for rx. That way you would only hear one side of the conversation.
That avoids the temptation of answering right away when you are in range of the other guy (wich is the problem with the simplex repeaters).
You can also use half-duplex:
One TX QRG and a diferent RX QRG on the simplex mountain top unit (yes, both have CTCSS or DCS).
That way, you can use the regular simplex channel for everyday tac comms at short distances, but at the same time receive a call from someone out of range.
Then you just change to channel 2 for answering....
Really works for low traffic comms.
What about on GMRS? I know on the ham bands where I live, no one would ever notice it.
Whatever you can interface with it should work.
Great while out hunting when you don't have Line of Sight.
Under your control it is an Auxiliary operation. If you can shut it off by DTMF its under your control while up on the mountain just as any mountain top repeater is. I see that they have "optional Morse ID" so that would allow simplex repeater use as your ID as station owner of the simplex repeater is being sent out as well the the other users ID in their voice.
This is also why the Kenwood XBRs have Morse ID built in , and the Icom and Yaesu do not; The Kenwood's "used" to have DTMF full control of their XBR operation and fully legal, Newest ones in the manual say under the remote control page of the manual after B8XX serial number no longer has remote control.
They can no longer get the old DTMF decoder chip that fits on the circuit board. At the Tokyo ham radio show, Kenwood did say they are working on a new mobile and HT to replace the TH-74D
What people get into armchair lawyer fights about is what exactly is meant by remote control. The argument is that if the device was to malfunction and get stuck in transmit mode you wouldn't be able to turn it off because it wouldn't be listening. That's possible even on a repeater controller with a separate command channel - if it experiences a software lockup it could still ignore DTMF commands, unless the command channel is truly independent with its own decoder and the ability to reset the system. Practically, though, transmitters have time-out timers of their own, and the SR1 has an internal watchdog timer. I've never heard of one getting spontaneously stuck in transmit mode.
@@n1vg Correct but hardly any real repeater has Direct out of band Control, they are mostly remote control now from the ones I have been up to. And yes repeaters get stuck transmitting and you may have to drive there to shut it off. I seen that a few times in my town.
Theser are legal in Canada as long as the station owner has setup reasonable ways to shut it down when needed.
Ha! I knew that was going to be a repeater box...
But I had naturally assumed it was going to be those crap Surecom crossband boxes 🤣
I like the Argent boxes, if implemented properly.
we had a splex repeater near oxford ( official) we called it the parrot but on 4mtrs it was ok if you are patient thats Oxford england
The box itself is not a rf device, it’s a audio device, that is not a issue. The radio transmissions are subject to CFR and enforced by the FCC.
Soft boxes great! Now I can go and look up what a softbox is! Edit: Okay, I see what they are now. Very good.
Soft boxes look great!
I think so too!
"some people" -- Sounds like you've been hanging around Randy/@notarubicon a bit much. :D
Could you not program the handheld to work as receive on one frequency then tx on another with a standard split and then it would be a normal repeater with a delay.
Softboxes helped
Just ordered! Thanks! De NØPL
Maybe this is what those jack wagons on 435 are using.
-How about this GMRS scenario. High power repeater channels (15-22) are busy in the area, but not the 5W simplex channels (1-7). This could greatly increase range using those freqs. Park the vehicle high, and send your team out for a hike. Great possibilities.
I don't think it's really legal on gmrs, but that's what I've used it for. When hiking from a base camp in the mountains, and going over a ridge - drop an ht and the simplex repeater at the ridgetop, and you can keep in touch once you've gone over the other side. If you're in the sticks, it's no problem to find a frequency that nobody is using.
Lol group text vibes
@@jeffkunce8501 don’t think the FCC swat team is going to come after you. Then again with Brandon you never know
@@itmeng Ha, yes! But, let's spin the ball both ways. If Hunter used a simplex repeater, Tucker would be all over it! 😂
But, for the rest of us, nobody is going to care about a simplex repeater unless it interferes with their use of the spectrum.
We had a local ham set up a simplex repeater on 146.52. He couldn't understand why hams were upset at him.
Oh geez!
Add a second baofeng and make a split cable and you should be able to make a duplex repeater. Maybe the delay would be too much, but it would be a cheap hack to make if one already has a box.
Sure. But I’m not reviewing that here. 🤣
I would like an hf, that also gets 2 meter and 70 cm handheld on the cheap. Suggestions?
It be good for emergency if the regular repeaters go down or if the repeaters are all took over by those sad hams that have control over the repeaters
I agree
This maybe a hated box, but Argent makes a lot of products to love. My Alinco 135 is equipped with their Tracker3 Model T3-135 - Alinco internal board. A look at their web site should have any Ham checking his current bank balance.
Is this the device you use when your testing antennas in your videos? That is pretty useful.
Yes it is!
Once again...Nice if used by responsible people. You should hate the unresponsible people not the device.
I like the way you think. Finally, an adult. (My comment is not a reflection of people here, just society as a whole).
could be good to use on a remote fox hunt ...
Just wondering what you think about the ones that do crossband repeating. I've seen them on Amazon.
They'll work!
Ah, a lonely HAM repeater. I’m thinking you could use this to test range by yourself.
could this be programmed with voice and cw for use as a Thunt beacon?
Is it possible to use dcs and pl tones at the same time? Would it be possible to remote in via LAN or IP?
You want the ADS-SR2 for that. ;) Sadly it's not certain at this point if it'll ever make it to market. It was many months into development when COVID hit and the microcontrollers have been unavailable ever since. Last estimate was June 2024. The WiFi modules also disappeared, but honestly those things suuuuucked and I'm happy to ditch them for something else. And after some testing I think wired Ethernet support is going to be a requirement, too.
But the prototype DOES do remote configuration via web browser or telnet, and has radio-over-IP linking capabilities and works as an EchoLink node.
What antenna is on the baofeng?
Rawwwwk Raaaaawk, give us a kiss.
Could make for a nice fox hunt setup? Maybe with an extra long “cooldown” to make it more difficult?
You can set up all 10 announcements to have different time offsets, so they play in sequence. People have absolutely used that for fox hunting, with increasingly taunting messages.
@@n1vg oh that’s awesome
automatic store and forward
Do you get to program in the frequency you want to use? What's the Frequency Range?
That’s dictated by the radio. You do all that in the radio.
The comments on this one are going to be great! I can't wait.
I'm curious myself!
If you're going to put something on a mountain top, just put up two yagi's with a short piece of coax between them. One pointing towards your QTH, the other pointing to your friend on the other side of the mountain. Low cost, zero power, passive, simplex repeater.
Imagine 2 of those on 1 frequency, a single transmission could set it off for hours of self repeating
There is a feature to prevent this from happening: ##78 - “Set Pager Activation Code”
The pager activation code can be up to 6 characters long. When a code is
entered, the repeater will ignore all received transmissions unless the DTMF activation code is heard. This can be used to extend voice pager systems, or to activate the repeater using a DTMF automatic numeric identification (ANI) setting on the sending radio. Setting a blank code disables the function. Default is disabled.
Example: ##781234 - Set pager activation code to ‘1234’.
I heard a lady doing relay repeat of a bunch of weak stations moving around, she was at the big rig with the fars and would repeat what was said from a mobile, or relay to mobile that was privvy to the said info, a relay dispatcher. I should have recorded it.
I've done it, partly as an audio quality test. And partly just because it was funny to listen to. If you don't set it to trim the courtesy tone from the end, you get an increasingly long series of beeps. And of course the audio quality degrades with each generation.
Sounds like fun to me
From our friends at the ARRL:
"A "simplex repeater" is used to extend the range of low power rigs such as handhelds by storing the signal transmitted on a frequency and then retransmitting it through a more powerful or better-situated transmitter on the same frequency. According to the rules, however, such a device is not a repeater since it does not simultaneously retransmit the signals of another station and it does not retransmit the signals on a different channel or channels, as specified in the FCC's definition of a repeater, so it can't be operated under automatic control. If a control operator is present and controlling the device, either locally or by remote control, then it can be used. But it cannot be left unattended! On the other hand, it is not limited by the other repeater rules, such as repeater frequencies."
Josh, really don't pay much attention to background lighting mostly concentrate on you and equipment. Not sure about blue and green, vs green... maybe blue-green makes background too busy... what do you think?
The soft box is for my key light. What’s pointed at me. The background is just whatever I have on. I can turn them down.
I can use ctcss code or something like that and don’t hear copy recording messages
I mention that
Can’t you use the Voicemail feature that can help to ident your callsign every 15 min or so like a normal repeater? I thought on the surecom it has a feature to do that?
Voicemail is for recording messages. This repeater has an ident feature voice or CW.
@@HamRadioCrashCourse ah good to know, and thanks for the reply. I bought the surecom simplex repeater when I was only a GMRS user and when I took my tech test I was a little mad I didn’t get the duplex repeater, though these couldn’t compare to the ones we use on a normal day. Still a cool little device.
@@ashton403 Take a close look at the Surecom SR-112 manual sometime. You might notice that the parts that that are written in fluent English match the ADS-SR1 manual word for word. That should tell you something about Surecom.
@@n1vg thanks for that!
I'm gonna need some help for Josh's shirt. My 80s memory isn't quite what it used to be. I see Skeletor, Shredder, Cobra Commander, and Megatron, but I'm not recognizing the other two. Is one supposed to be Mumm-Ra without his normal headpiece?
Mumm-ra before transformation and the villain from Dungeons and Dragons.
@@HamRadioCrashCourse Ah, thanks. Hardly watched the D&D cartoon as a kid.
Yeah it sucked.
I accidentally had the video muted, and for the first 30 seconds I was like "this is the most boring video I've ever seen"
Like the crabby patty slow roll forward?! Lol
I'd recommend modifying the title on this video! I didnt click on it for a while cuz I thought it was just another UV-5R video (especially with the thumbnail). Great video!
Well, then it was good bait.
@@HamRadioCrashCourse Well see I DIDNT click on it cuz I thought it was a UV-5R, just those video are beat to death
How did you comment this if you didn’t in fact click the video?
@@HamRadioCrashCourse In the original comment I said "I didn't click on it for a while because" etc haha. I of course eventually broke down because every HRCC video has to be worth watching.
I can't see the metrics though so if it's performing well, you're the expert!
WAAAAY Offtopic here. But is there a matte screen protector on your iPad? Because it looks smooooth. I want.
That does look nice, as well as useful.
It’s Paper Like. It’s amazing.
Lol, it is like a roger beep and an answering machine had a...well, theyre done, they broke up, its over, nobody got the stimulus check or fat tax return with ebt and snap, but this was made and is still here!
This could litra-ly be a phone app. (with vox enabled) but ehh, people still actually make things, and kinda cool to function free of a phone.
I hate dualband radios in crossband repeat, set up to ping-pong, just a little bit more... FYI, we used to call what you have a "parrot repeater".
Given that I have never heard of this "most hated box" until this moment, and have been an operator for several decades, I doubt it is the "most hated" box. There is some disrespect for Baofeng walkie-talkies but I have one at about 1/10th the cost of my Icom walkie talkie.
What’s a more hated box and how much time do you spend on VHF/UHF?
@@HamRadioCrashCourse I typically listen on our local wide coverage repeater in the evenings after work. It tends to be lightly used and mostly rural. Being surrounded by mountains it is unlikely I would ever become aware of the existence of simplex repeaters. I like the idea of them but I can see where some precautions would need to be used.
If there's a hated or at least disrespected box, it would be any of the illegal CB radios (or legal radios being used illegally) but so long as they stay down on 11 meters, not really my problem. I am amused by the collective stupidity of it; I had a friend in Hawaii that showed me his kilowatt "burner" but it had a single television horizontal deflection tube rated about 40 watts. You cannot argue with that kind so I didn't. He was happy with his "kilowatt" and I was happy he had only 40 watts at most. It also had a mechanical vibrator inverter for the B+ voltage so needless to say his transmissions were remarkably buzzy.
These repeaters are pretty hated in more populated areas. And depending on their proliferation on often used frequencies.
Use them for range tests. I can go down to the woods and talk on the frequency. If I hear it back, then the range test is a success. If not or the playback is horrible, then no success.
Yeah buddy!
People like to throw around the word “illegal” quite a bit when discussing what in reality is only “against the rules”. There is a difference.
Ok 🤷🏼♀️
No one owns the air, regardless of what any piece of paper says.
#changemymind
It's a Simplex Repeater, I have a Open Spot 4 Hot Spot,
Me too.
I see why it’s so hated, it’s a parrot repeater.
Could you put this on an RC plane and make a whole area line of sight?
Enter the AWACS
HAMWACS
I've heard one on a high-altitude balloon before. You get about a 200-mile radio horizon at 100,000 feet.
@@n1vg lol 100k feet might be outside of my capabilities
Will it work on all frequencies between 6m-23cm?
Should work on any radio you have the right cable for
Yeah. It’ll work on anything you can cable it to.
@@kb9liq thanks for the answer. 👍
@@HamRadioCrashCourse thanks for the answer. I'll have to figure out a way gerry rig a cable for my GT3WP.
It works on audio only so it really doesn't care. You can hook up a microphone and yell at it if you want.
How is this any different than a digipeater on APRS except with voice instead of data? I would think that store and forward simplex repeaters would be OK on ham bands, but it might require a remote call operator with remote shutdown operation and a timeout timer to prevent uncontrolled long transmissions. What does everyone else think? Comments by "some people" are welcome.....
Good point! The argent does have all that remote control too.
Digipeaters do not automatically repeat everything they hear. The digipeater itself must be addressed in the packet, with instructions on where to forward.
If the digipeater or any simplex repeater was in range of another one, they would start talking back and forth and never end, since voice store-and-forward has no addressing capability. Each such repeater would store the other, then retransmit, whereupon the first stores it and forwards again.