PRO96 Mod
 

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.

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.

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.

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.