[BC] MCI Microwave services

[Sherrod Munday]

On Thursday 29 December 2005 19:39, Tom Taggart wrote:
> Anyone have a contact number for their engineering department?

I've got one for their normal and upper level customer service line, but you'd 
have to be a customer to really get anywhere with that.  You're probably 
going to need to bypass every level of external customer support and go 
straight to MCI's *internal* engineering division.   My only words there are 
"good luck"...  I've also only got a number for their data services 
engineering support here in their Richardson, Texas office, but I have no 
idea if they support the microwave links for their internal services.

> To shorten a long story, we are adding Delilah to our ABC AC format.  No
> trouble receivng ABC off transponder 23/AMC-8, but Premiere off
> transponder 21 very low level.  Once we got a spectrum analyser in here
> figured out we are looking right into the beam of an MCI tower 23 miles
> away.  Licensed for 4.110 and 4.130, whereas Premiere is 4.120.  Satellite
> look angle 15 degrees at 148 true, MCI tower at 251 true, towards a tower
> that is behind our dish, & 1500 feet away.

Ouch.  I'm guessing there's no getting around this one short of a *very* tight 
notch or bandpass filter from someone like Microwave Filter (they'll tune 
their C-band bandpass filter model 7892 to your specs).  Given that you're 
using another transponder other than 21, you might have to put a dual 
feedhorn (same polarity) on the dish to filter one signal for transponder 21 
and leave the other signal alone for transponder 23.

> Anyway, if Verizon (new owner of MCI) isn't using these carriers, would be
> nice to have them turned off ;-)

Maybe with the merger and its service consolidation they might be obsoleting 
that carrier -- that sure would be your easiest solution. :-)
-- 
Sherrod Munday <smunday at srnradio.com>
Technical Director
Salem Radio Network    (972) 831-1920