I just stumbled into this & thought it was interesting: http://openp25.org/index.php/category/project-status/ "We've determined that the open source Asterisk...
ISSI is not really low level... it is a switch to switch communication layer... not a repeater to asterisk interface..... ISSI covers site to site and system...
... The group has been around for a while now. The real problem they're facing is that most of the manufacturers don't bother following the ISSI spec, nor does...
Thanks for the additional info. I wasn't aware. I can't find much additional info on this thing. While I realize the connection standardization issues, I...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the APCO25hamradio group. File :...
APCO25hamradio@yahoog...
Sep 16, 2008 12:52 am
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DCC Forum Schedule Announced and Available at:  http://www.tapr.org/pdf/DCC_2008_Schedule_Preliminary.pdf (and may be attached)   DCC Presentations...
Although Online DCC(Digital Communication Conference) Registration is Closing on Wednesday Septermber 17th DCC Walk-In Registration Will Be Available & Is...
The DCC (Digital Communications Conference) is the premiere, national digital communication conference covering all digital voice & data modes held annually...
Hi everybody! I am new to this group and to digital radio. I will risk looking stupid with a question I had in mind for some time: Can a digital apco25...
Yes and no, Yes it can if it is set up right, no most arent set up right or just cant do it due to filtering and audio processing. I used a GEmaster II with a...
Thanks Jeff, You make it a bit clearer now. I worked in Land Mobile Radio for years and set up many commercial, 4.6 Mhz separation repeaters; Even with these...
Is it accurate to say the sound of a P25 transmission heard by a conventional narrow band FM radio is similar to an idling diesel engine? Tom WA9ETO...
That sounds to me like its a controll channel for a trunk system, it should sound more like a rushing noise a modem might make. Jeff ... From: retiredbynow...
You can listen at the below link. P25 trunking CC yes. I know some of the digital modes certainly could be described as you did. CDPD almost sounds like a bus...
Just a FYI that P25 is alive and growing in amateur radio! I just finished building a new P25 repeater for the El Paso, Texas area. Output 146.92 / Input...
Just curious about id'ing requirements for amateur radio repeaters using P25. I would think the radio and/or group ID on each transmission would suffice to...
If EVERY burst of 'data' IDs, then I would consider it like I do packet and not have to ID. I don't know enough about P25 and the APCO protocol to advise any...
The way the repeaters that I have on the air ID is with MCW in FM with no PL tones. Most universal way of IDing a repeater. The individual radio IDs are just...
Most, if not all actual P25 repeaters (not homebrew) have the CW-ID transmitted in analog, the quantar being a prime example. One way to have the CW-ID...
Amateurs using P25 systems should ID their own stations by voice just as they would using any other voice mode [AM/FM/SSB] The P25 ID format for end user...
http://www.arrl.org/news/stories/2008/10/02/10371/?nc=1 ARRL/TAPR Digital Communications Conference: "Pretty Interesting!" The main presentation room at the...
These are VERY interesting and informative sessions that present what we ALL should be doing - EXPERIMENTING and tinkering. I couldn't go this year as I had...
Did you go ?? _____ From: APCO25hamradio@yahoogroups.com [mailto:APCO25hamradio@yahoogroups.com] On Behalf Of T.J. Sent: Saturday, October 04, 2008 8:16 PM To:...
I'd be real interested in how the P25 audio sounds after going through the vocoder twice. Especially compared to a 'real' P25 repeater that regenerates the ...
Hello, I have FS several UHF Astro Spectras. Most are motorcycle units, and all are flashed for IMBE. They have been tested, and have updated firmware...
Hi everybody, Just got my first apco radios, a pair of Racal Thales P25 that I am learning to play with; I cant seem to be able to access the side key ...
Those buttons are programmable only via the computer programming software. -Josh To: APCO25hamradio@yahoogroups.com From: schatzperson@... Date: Thu, 9...
Thanks Josh, I figured as much. I guess I need to make up a PC interface cable; Does anybody know where I can obtain a used radio connector? Vincent ... ...
Hi Jim, I am interested in one. Can you call me at 408 592 3759? Thanks Tom WA9ETO ... both ... mic, ... the ... flash ... list ... with ... Please ... will...
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