So if I noticed a group that's in the database start using the Analog voice inversion scrambling should I make a submission to have the description updated? And if so how should it be worded?
Nope. As a matter of fact, sometimes it is only on one end of the transmission.When a channel or frequency gets encrypted, I would have thought it was always encrypted..
It depends upon the system type and scanner model.what will I hear then? Static?
Why would encryption be part time vs. full time?
When a channel or frequency gets encrypted, I would have thought it was always encrypted....
Uniden auto skips, Whistler plays the "busy" dial tone like you would get on a landline phone, some older scanners just mute. If you were to hear it though it just sounds like garbled audio. Like alien robots.So if I had a frequency entered into my scanner that I listen to when squelch breaks and that frequency decides to "switch" to encryption, what will I hear then? Static?
Also, take for example an EMS agency we have here in IN. Indiana University Health - LifeLine. They run what we call "Partial Encryption". Some of the units run encryption at all times, others only in special circumstances. With Motorola at least, you have the following options for "secure" settings: Strapped Full Time (ADP or AES256), User Selectable, or Clear. With user selectable, you can have multiple variations in use. And Strapping can be set up in multiple ways also. And the settings can be changed on the fly with OTAP (Over The Air Programming), and the Encryption Keys can be changed on the fly with OTAR (Over The Air Re-Keying).Why would encryption be part time vs. full time?
When a channel or frequency gets encrypted, I would have thought it was always encrypted....
Why would encryption be part time vs. full time?
When a channel or frequency gets encrypted, I would have thought it was always encrypted....
On full time talkgroups/frequencies you also sometimes get accidental spills. There was a great video of a WS1080 on youtube that recorded some in the clear secret service traffic during a presidential visit in 2011 or so. I also remember reading someone talk about monitoring the simplex frequency for their local post office because sometimes the P25 would also spill out into the clear. The advantages of having a record capable scanner.All depends on who programmed it.
One Dept might make the ENC user selectable, where-as another [some - not all FEDS] may go an strap the radio for always ENC
and then there are the Part-time which includes there where DISP is ENC but users not and vice-vers