[BC] Moseley Starlink SL9003Q Interference Fix

[Dan Kelley]

I went through that with a 9003Q too.  When conditions were
perfect, it sounded great.  When the wind was blowing, it was
unusable.  Finally went back to a PCL-6000 with the compressed
DSP.  

-dan in lansing



> -----Original Message-----
> From: broadcast-bounces at radiolists.net [mailto:broadcast-
> bounces at radiolists.net] On Behalf Of R. V. Zeigler
> Sent: Wednesday, May 07, 2008 5:13 PM
> To: broadcast at radiolists.net
> Subject: [BC] Moseley Starlink SL9003Q Interference Fix
> 
> We had a real problem with our Starlink STL that had us to the point of
> reverting to analog. There were a few card problems that Moseley did get
> fixed for us, but we still continued to have intermittent audio drop
> outs. We found a high BER count, which was an indication of something
> causing us interference. We tried the Crescend amplifier, the Moseley
> bandpass filter, and increasing error correction in the receiver, all to
> no avail. Sending the units back to Moseley did not help as they worked
> perfectly both there and here on the bench. I asked Dave Chancey at
> Moseley about a frequency specific bandpass filter and was directed to
> Jeff Sloane at Integrated Microwave Corporation. IMC built us one of
> their frequency specific filters (with a money-back guarantee if it did
> not work for us). We have had it in for a week now, and have experienced
> no dropouts. Our site has become a real "RF Soup Bowl" and while analog
> could overcome the interference, our digital could not. We did spend
> time looking for interference, but the SA yielded no quality results. If
> we run into problems again, I will report it, but for $500-$600 it
> allowed us to use our digital STL in a really noisy environment. A big
> THANKS! to Dave and Jeff.
> Rod
> 
> --
> R. V. Zeigler, Dir. of Eng.
> Nebraska Rural Radio Assn.
> KRVN-KTIC-KNEB
> 1007 Plum Creek Parkway
> Lexington, NE. 68850-0880
> rzeigler at krvn.com