[Scan-DC] Jefferson & Washington Nat Forests

[Larry Van Horn]

Absolutely correct Shawn. And in my original post below I did not say
that the equipment had to be P-25 capable, only narrowband complaint
within current NTIA guidelines. ;-)

What does this narrowband mean? Narrowband refers to the narrowing of
the channel spacing being each designated frequency assignment.
Previously, the spacing between each frequency assignment was 25 kHz.
The new "narrowband" channel spacing reduces the spacing requirements to
12.5 kHz between each allotted frequency assignable and decreases the
channel bandwidth to <11 kHz.  Of course, the government always gives
themselves some wiggle room. From chapter 5 of the NTIA Redbook they say
that radios like th Scope Shield II type are exempt from this process.
In fact, any military equipment used for "tactical and/or training
operations." Boy I see a lot of holes in that for DoD. ;-)

If you want to learn more about this refarming of the 162-174 MHz
spectrum which has to be narrowbanded no later than 1 Jan 2005 try the
link at:
http://www.afcesa.af.mil/userdocuments/publications/miscellaneous/ces/Fr
equently%20Asked%20Questions.pdf

So remember to start doing some bandscanning after the 31 Dec 2004
midnight deadline. Should be interesting to see what is left standing in
our local 162-174 MHz environments.

Have fun all, 73 and good hunting,

Larry Van Horn, N5FPW USN (Ret)
Monitoring Times Assistant Editor and Milcom Columnist
WUN Military/Government Newsletter Columnist
Grove Enterprises Technical Support Department
Telephone: V-828-837-9200/F-828-837-2216/800-438-8155


-----Original Message-----
From: scan-dc-bounces at mailman.qth.net
[mailto:scan-dc-bounces at mailman.qth.net] On Behalf Of Shawnerz
Sent: Monday, October 18, 2004 11:38 AM
To: scan-dc at mailman.qth.net
Subject: RE: [Scan-DC] Jefferson & Washington Nat Forests


Larry (and all),
Yes, but that doesn't necessarily mean P-25. 
Narrowband (2.5 kHz) analog audio can used.
The ruling also does not "force" the user to use
narrowband.  
It only means the equipment must have the ability to
go to narrowband mode.  It doesn't mean they have to
use it.
-Shawn

--- Larry Van Horn <larry at grove-ent.com> wrote:

> Under federal guidelines Mark ANY system purchased
> after 1 Jan 1998 MUST
> be narrowband complaint.
> 
> 73 all
> 
> Larry Van Horn, N5FPW USN (Ret)
> Monitoring Times Assistant Editor and Milcom
> Columnist
> WUN Military/Government Newsletter Columnist
> Grove Enterprises Technical Support Department
> Telephone:
> V-828-837-9200/F-828-837-2216/800-438-8155
> 
> 
> -----Original Message-----
> From: scan-dc-bounces at mailman.qth.net 
> [mailto:scan-dc-bounces at mailman.qth.net] On Behalf Of Mark Cobbeldick
> Sent: Monday, October 18, 2004 9:30 AM
> To: scan-dc at mailman.qth.net
> Subject: [Scan-DC] Jefferson & Washington Nat
> Forests
> 
> 
> Does anyone know if the Jefferson & Washington
> National Forests have
> changed their frequencies?  Their old 171.525 &
> 171.575 MHz repeater
> frequencies have been silent for weeks now.
> 
> Over the summer, they replaced their older repeaters
> with newer
> equipment.  I wonder if they also changed channels
> too?   I do not know
> if the new repeaters will also support P25.
> 
> 
> Mark
> 
> 
> 		
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