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#1
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So would a "digital Scanner" be able to pick up the digital radio (DAB)
which is broadcast on or around 225MHz and be intelligible to listen to ?. I'm assuming normal DAB is not encrypted ? Cheers Andy "Brad" bradvk2qq AT w6ir.com wrote in message ... "Andy100" wrote in message ... Surely, even though the scanners you mention can receive digital signals, broadcasters such as the police would still be unintelligible ??. I hope so, after the amount of money the local police force have spent on encrypted airwave radios !! PS Are the 'digital' frequencies you mention still within the 0-1300MHz band scope ?? Cheers Andy Andy, don't confuse "digital" with "encryption". The two are separate functions. A signal can be analog * or digital, plain or encrypted, or any combination of the two. The digital scanners can receive a digital mode called APCO25. If your Police are using this mode, unencrypted, then you will be able to hear them. If the Police are encrypted, then as a previous writer said, you won't be able to decrypt it within any reasonable timeframe. Our Police use digital at the 468MHz range, our State Government is planning on changing it's 400-420MHz system to digital in a couple of years, your local Police may be in the 800MHz band. You'll need to do some searching for that information, it varies. * analog = analogue (Barry O'Grady, author of Dictionary for Pedants) Brad. |
#2
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![]() "Andy100" wrote in message ... So would a "digital Scanner" be able to pick up the digital radio (DAB) which is broadcast on or around 225MHz and be intelligible to listen to ?. I'm assuming normal DAB is not encrypted ? Cheers Andy Nope. That's a whole different digital mode again, and different to the sound on digital tv and different to the digital pay tv. Sorry. Brad. |
#3
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Cheers Brad for the useful info !. Yeah, it's getting a very complicated
scene out there. When i started scanning (Aircraft mainly) about 20 years ago, there was just AM/NFM/WFM and SSB (USB/LSB/CW). I was scanning on a Signal R532 ! (beauty !). No digital, airwave, tetra, motorolla, DAB blah blah !!!!!!!!!!!! Cheers Andy "Brad" bradvk2qq AT w6ir.com wrote in message ... "Andy100" wrote in message ... So would a "digital Scanner" be able to pick up the digital radio (DAB) which is broadcast on or around 225MHz and be intelligible to listen to ?. I'm assuming normal DAB is not encrypted ? Cheers Andy Nope. That's a whole different digital mode again, and different to the sound on digital tv and different to the digital pay tv. Sorry. Brad. |
#4
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tOn Sat, 3 Sep 2005 17:38:33 +0100, "Andy100" said
in rec.radio.scanner: Cheers Brad for the useful info !. Yeah, it's getting a very complicated scene out there. When i started scanning (Aircraft mainly) about 20 years ago, there was just AM/NFM/WFM and SSB (USB/LSB/CW). I was scanning on a Signal R532 ! (beauty !). No digital, airwave, tetra, motorolla, DAB blah blah !!!!!!!!!!!! When I started listening (scanning? what was that?) there was no USB, LSB, TV ... Just plain old AM and FM. But we have to keep up with the times or end up scraping off the moss and algae. I was born before the first computer was built (aside from Babbage's Engine) - now I write computer programs. |
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