HomePatrol helped me map out an EDACS System today
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TOPIC: HomePatrol helped me map out an EDACS System today

HomePatrol helped me map out an EDACS System today 05 Jan 2012 00:39 #8366

  • KE4ZNR
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So I am sitting at my computer at work this afternoon and going through some
old radio related files and posts here at RR.com. I stumbled across THIS old
thread in the NC forum where Steve mentions the following local EDACS system that had not been mapped out:

Business
Glaxo-Smith-Kline (RTP) WNYU273 This is an EDACS trunked system.
854.7875
855.8875
856.3375
857.3375
858.3375
859.3375
860.3375
With a PRO-97, it appears to do some tracking with the frequencies listed in that LCN order but I can't confirm it is the correct order or not

If any of you all can plug them in and play detective, I would appreciate it. If you can confirm something, share your results and, better yet, go ahead and submit them.


For whatever reason this system ended up being forgotten and was never mapped out nor added to the database. Mea Culpa as I consider myself to be the top Central NC Scanner Geek. :)

Anyway, I decide to look up the system in the FCC Database and saw it was still active and on the air.

Since I bring my Uniden HomePatrol HP-1 to work with me everyday I decided to put the EDACS/LTR LCN Finder feature to work mapping out the LCNs.

Before I left work I programmed the system in and did a generic 1234567 LCN layout.

The RTP GlaxoSmithKline location in RTP is between my work and my home so I stopped at a Sheetz Gas Station in the middle near GSK.

In less than 15 mins The HP-1 EDACS/LTR LCN Finder had mapped out all but one of the LCNS for the system! :):D



5 mins after I took the above pic the LCN Finder finally registered the last frequency
of 858.3375 as LCN 4!

In about 20mins the HP-1 had completely mapped out the LCNs of an EDACs system and I was on my way to logging Talkgroups!

Of course as soon as I got home I added the system to the RR.com Database with a few talkgroups I was able to ID:
GlaxoSmithKline Trunking System, Durham, North Carolina - Scanner Frequencies

Of course the small 3 frequency Zebulon satellite site still needs to be mapped out but this shows how powerful of a feature the HomePatrol Extreme EDACS/LTR LCN Finder can be!

Hopefully this inspires the other HP-1 Extreme owners out there to give this feature a try as you too might be able to help map out unknown or forgotten radio systems in your local area!

Happy Monitoring (and Extreme HPing!)
Marshall KE4ZNR
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