K95 Transmitter

[wscx200]

Anyone notice that when you're listening to K95 the signal cuts out every so often? It's almost like a CD skipping or it has another call..

Why does this happen? Or is it just my radio.

 

[markbohach]

Three likely causes depending how station is set up-

1- Ethernet latency in their Audiovault system causes occasional dropout.

2- Digital STL "drops a bit" or high bit error rate due to atmospheric conditions between studio and transmitter. (25+ mile hop involved)

3- (If using a T1 for any leg of the chain)- "CRC" errors in the bit stream causes framing loss.

Any of these would cause the problem you described.

If I were the CE (and I'm not), I would start with the ethernet. This could be the start of a LAN switch going bad.

MB


> Anyone notice that when you're listening to K95 the signal
> cuts out every so often? It's almost like a CD skipping or
> it has another call..
>
> Why does this happen? Or is it just my radio.
>

 

[skipspence]

> Three likely causes depending how station is set up-
>
> 1- Ethernet latency in their Audiovault system causes
> occasional dropout.
>
> 2- Digital STL "drops a bit" or high bit error rate due to
> atmospheric conditions between studio and transmitter. (25+
> mile hop involved)
>
> 3- (If using a T1 for any leg of the chain)- "CRC" errors in
> the bit stream causes framing loss.
>
> Any of these would cause the problem you described.
>
> If I were the CE (and I'm not), I would start with the
> ethernet. This could be the start of a LAN switch going bad.
>
>
> MB
>
I would totally agree with MB that it sounds like the LAN switch problem I had with a LPFM that was pushing 128kB from a downtown location out 9.6 miles to the tower located in re-aclamated coal mining land....

"Skip"
>
> > Anyone notice that when you're listening to K95 the signal
>
> > cuts out every so often? It's almost like a CD skipping or
>
> > it has another call..
> >
> > Why does this happen? Or is it just my radio.
> >
>