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#1
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Is there any mod or upgrade etc that will let you scan and encrypted
talkgroup on the PRO96. The manual says that it isn't possible. I live in an area where a service has changed to a fully encrypted APCO25 digital trunked service but some comms are still transmitted in unencrypted digital. My scanner won't pick up the talkgroup to hear the clear comms though - is there any way of doing this or even another scanner on the market that will let me? Richard. |
#2
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Nah mate, it's not possible. Encrypted comms are exactly that. Encrypted.
IIRC every radio on the network is given an encryption key (seperate to the radio ID), and this key then only allows the specific radios to decode the comms. No scanner at all is capable of this. And also IIRC, you would be breaking the law being able to eavesdrop an encrypted conversation anyway. Technically, encrypted comms are supposedly uncrackable, but I recall reading an article about a couple of blokes who managed to crack it. I think it was something like 24 hours of number crunching with a computer in order to crack the encryption key. Not exactly real time... I'm sure one of the experts could explain it better though. Adam "Triciac1" wrote in message ... Is there any mod or upgrade etc that will let you scan and encrypted talkgroup on the PRO96. The manual says that it isn't possible. I live in an area where a service has changed to a fully encrypted APCO25 digital trunked service but some comms are still transmitted in unencrypted digital. My scanner won't pick up the talkgroup to hear the clear comms though - is there any way of doing this or even another scanner on the market that will let me? Richard. |
#3
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And also IIRC, you would be
breaking the law being able to eavesdrop an encrypted conversation anyway. And also IIRC, you would be breaking the law being able to eavesdrop an encrypted conversation anyway. I don't think he wants to listen to encrypted conversations. If you reread his original message, he said that the encrypted communications are also preventing the unencrypted communications from being heard on his scanner. |
#4
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What he is most likely listening to is the first 30 seconds of the
transmission before the system switches over to the full digital encrypted mode. That is analog and then the encryption and digital takes over. The other thing could be that they piggyback up to 5 separate radio transmissions on 1 signal. The one you want to listen to maybe unencrypted but 1 of the other 4 maybe encrypted and your radio can't separate them. In my location we have what they call the state of the art system and they claim that no other place in the world even comes close. Our police, ambulance and fire have been on it for a few years now and yet while searching the 870 MHz and up for cell-phones to listen to I found that I was getting the first 30 seconds of the fire calls and then bang it would switch to digital encryption. One last point is that the different services using the system can change the encryption keys at will and they do this every 4 hours or so. "Mediaguy500" wrote in message ... And also IIRC, you would be breaking the law being able to eavesdrop an encrypted conversation anyway. And also IIRC, you would be breaking the law being able to eavesdrop an encrypted conversation anyway. I don't think he wants to listen to encrypted conversations. If you reread his original message, he said that the encrypted communications are also preventing the unencrypted communications from being heard on his scanner. |
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