Radio Cairo - Very bad modulation - received in Portugal - Tecsun PL-310ET

Strong signal but very poor modulation.
Transmitter info (TX)
Distance: 1315 km (817 miles)
Station: Radio Cairo
Center frequency: 13820 kHz
Power: 250 kW
Transmitter location: Abu Zaabal (Egypt - north Africa)
Language: Urdu
Band: SW 22m (Short Wave)
Modulation: AM (Amplitude Modulation)
Information from: www.short-wave.info
Receiver info (RX)
Receiver : Tecsun PL-310ET
Antenna: external wire antenna (aprox. 10-15 meters at 3 meters high)
Local reception: Porto (Portugal - Europe)
Time reception: 2015-06-07 (sunday) 16:45 UTC
Signal reporting (SINPFEMO code): 54444223
Camera: OnePlus One in 4K UHD (Ultra High Definition)

[@roogalater]

They're on 9800 now. Modulation is terrible. Signal is strong. Audio is muffled and distorted, cannot understand what's being said. Receiving in SW UK. I think they are using very old transmitters!

[@1975kallol]

Sergio , would like to interact with you , do you have a fb profile ? would like to text you in messenger there if you kindly allow, regarding reception of my 310ET