[Scan-DC] Montgomery county rebanding

mike agner ka3jjz1 at verizon.net
Sun Jan 29 15:25:28 EST 2012


Yesterday, Jeff wrote:

=====================================================
I think a Custom Trunking Table will be needed after rebanding.

Montgomery County's trunked system includes these frequencies:
866.2750
866.6500
868.2750

These will be rebanded to:
851.2750
851.6500
853.2750

They will become channel numbers 450, 465 and 530 on the Nextelrebanding 
chart.

Therefore it will be necessary to add one of the Custom TrunkingTables 
found here:
http://wiki.radioreference.com/index.php/Object_Oriented_Scanner_Software
to your scanner software for Montgomery County.

Is that correct?

Is there any harm in adding that trunking table before the 
rebandingtakes place?
=====================================================

Yes that is correct. Now that article applies only to the PSR-500, 
PSR-600, PRO-106 and 197. The tables are entered slightly differently 
for the
Unidens, and the links for those are also in the rebanding article 
referred to earlier

If I understand how OOP works, if you were to allocate a new TSYS with 
the new freqs and custom tables, you likely won't hear anything on them 
until
Montgomery actually starts using the new channels. So I doubt it would 
hurt anything, save the wasted memory space (for now).

Rebanding isn't likely to affect reception quality if - and this is a 
big if - there are no other structural or other changes to the system 
planned (such as
reorienting antennas or reducing power outputs). If either of those type 
of things change, then yes, reception is likely to be affected. Without 
being on
the 'inside', it's pure speculation one way or another.    best 
regards...Mike



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