MD Aviation Administration - Has there been a change?

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KR3LC

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I just got back after a week in California and fired up my HP-1 and there was no signal to be seen or heard with respect to the MAA P25 system. I checked my BCD396XT and same thing. I checked the RRDB and discovered that I was missing two frequencies in the 396XT so I added them. The HP-1 has the latest database in it already. Still nothing. And this was at the observation parking lot so I was close enough though I have also been able to receive the system from my home in Pasadena. Is anyone else hearing this system? Has there been a change?

Thanks,
Rick
 

lebrunmn

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Rick-

It's not just you... something does seem amiss. I've been away, too, so can't say if it's permanent or temporary, but I'll try running Pro96com to see if there's been a control channel change or addition.

I was able to hear some MAA comms last night by just tuning to a few of the current VC freqs, but didn't find a control channel--of course that's not surprising from Pasadena or Curtis Bay, where I live--so will try again when I'm at work near BWI on Monday. I can still hear the PD simulcast on 453 MHz.

Please let me know if you hear anything.

Regards,
 

KR3LC

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Figured it out!!

Thanks for the reply. I went to the airport this morning and searched and found a new control channel frequency: 851.2625. Plugged that in to the 396XT and the HP-1 and both are receiving and following the system again. I'll submit for inclusion into the RRDB for this system.

Thanks,
Rick
 

lebrunmn

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Thanks, Rick!

Thanks for the info... does no good to run Pro96com, if I don't have the correct control channel. Will let it run for awhile, and see if there are any other new freqs. I wonder if this is a precursor to something else, rebanding, etc.

Appreciate your sharing the info.

Take care,
 

dtscho

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Looks like the system has rebanded - I updated the database. All frequencies from 866-869 MHz shift down exactly 15 MHz.

Dave
 
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