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Subject:
From:
Jeff Kenyon <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Fri, 7 Jul 2006 13:01:24 -0400
Content-Type:
TEXT/PLAIN
Parts/Attachments:
TEXT/PLAIN (111 lines)
The Pro-96 already has updates available for download from the Radio Shack
page.





On Fri, 7 Jul 2006, Walt Smith wrote:

> Yes, Jeff sent me that off-list yesterday--interesting and something to be
> aware of. I strongly suspect that for the prices Uniden is getting for some
> of their better scanners these days, they'll have a ROM flash available.
>
> ----- Original Message -----
> From: "Russ Kiehne" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, July 07, 2006 12:42 PM
> Subject: Re: Another scanner-related question
>
>
> Speaking of trunked systems, are you aware of the following?
>
>                               800 MHz FCC Rebanding Action
>
>                               Question:
>
>                               Is there any impact on on Uniden Scanners due
> to
>                               the rebanding?
>
>                               Answer:
>
>
>                               800 MHz Rebanding Impact on Uniden Scanners
>                               Background Information
>                               Beginning in the late 1990's, the FCC and
> industry
>                               began studying interference problems on public
>                               safety communications systems in the 800 MHz
> band.
>                               The root cause of most of the reported issues
> was
>                               interference from high-powered business radio
>                               systems on channels adjacent to relatively
>                               low-powered public safety radio systems.
>                               In early February 2005, the FCC issued a
> Report
>                               and Order directing that certain actions be
> taken
>                               to reduce or eliminate the conditions that
> have
>                               resulted in this interference. These actions
>                               include:
>                                 Moving current non-public safety licensees
> out
>                                 of the 806-809/851-854 MHz band.
>                                 Moving public safety licensees into the
>                                 806-809/851-854 MHz band.
>                                 Changing the current 800 MHz channel plan.
>                               The relocation of licensees should help to
> isolate
>                               critical public safety bands away from
>                               interference-creating services, but will
> require
>                               that users reprogram their scanner with the
> new
>                               frequencies.
>                               The change to the 800 MHz channel plan will
> have
>                               the greatest effect on scanner operation. Most
>                               scanners use this channel plan to determine
> the
>                               voice channel frequency for Motorola Analog or
>                               mixed systems. Users with scanners that rely
> on
>                               this channel plan will need to reflash their
>                               scanner in order for it to continue to
> properly
>                               track Motorola Analog or mixed systems.
> Scanners
>                               that cannot be reflashed will need to be
> replaced.
>                               These two changes (relocating licensees and
>                               changing the channel plan) are together
> referred
>                               to as "Rebanding."
>                               More information on Rebanding can be found at
>                               http://www.800ta.org and from the links on
> that
>                               site.
>                               Impact on Scanning Receivers
>                               Rebanding is a mixed blessing for scanner
> users.
>                               The same interference sources that have
> affected
>                               public safety users have also affected the use
> of
>                               scanners, sometimes to a greater degree.
> Rebanding
>                               should greatly improve scanner operation for
> the
>                               same reason that public safety radio operation
>                               will improve: less interference from unwanted
>                               sources. However, as rebanding occurs on a
> system,
>                               scanners will need to be replaced, reflashed,
> or
>                               reprogrammed in order to continue to track the
>                               trunked systems in the 800 MHz band.
>

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