[RFI] Mobile phone expansion could disrupt key weather satellites

Mike - W5JR w5jr.lists at gmail.com
Thu Jul 14 11:45:31 EDT 2016

Both Sprint and SouthernLinc have repurposed the rebranded spectrum for LTE and possibly a smattering of CDMA. The border with Mexico is as yet to begin/complete rebanding (removing the interleaving). 

Mike / W5JR
Alpharetta GA

> On Jul 14, 2016, at 10:05 AM, Peter Laws <plaws0 at gmail.com> wrote:
>> On Thu, Jul 14, 2016 at 7:55 AM, EDWARDS, EDDIE J <eedwards at oppd.com> wrote:
>> 1. Nextel iDEN on interlaced 800MHz SMR channels interfering with public safety users.
> Nextel got bailed out (I guess) by Sprint and they wasted NO time in
> getting rid of the iDEN based system.  We had Nextel PTT "phones" at a
> previous employer over a decade ago now and they were damn handy in
> our particular IT environment.
> But not handy enough to force hundreds (thousands?) of public safety
> users in the 866-869 MHz band to move ("Gee, Mr Radio Customer, you're
> actually going to need a totally new system because, um, we can't get
> crystals for your antiquated gear that you bought 5 years ago") ...
> And apparently not profitable enough to continue as a competitor to
> actual cell phones either.
> So what happened to that network?  I've seen a Retired In Place Nextel
> site (the heliax was hack-sawed off at the container and the container
> left in place, sadly locked) but is anyone actually using that
> spectrum now?  I know there was another IDEN based system in the
> Southeast (run by an electric utility?).  Is that still up?
> LOTS of bother for, ultimately, nothing it seems.
> -- 
> Peter Laws | N5UWY | plaws plaws net | Travel by Train!
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