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WTMJ AM 620 Hissing no longer
- Thread starter Tom Wells
- Start date
Re: WTMJ AM 620 Hissing has returned
My local hissmaker WTAG 580 is off and on too, one time it was on at night for a week or two. I notified the engineer who didn't even know it. He fixed it and said it was something to do with the night pattern change i believe, it was supposed to go off at that time and didn't.
Tom Wells said:
My local hissmaker WTAG 580 is off and on too, one time it was on at night for a week or two. I notified the engineer who didn't even know it. He fixed it and said it was something to do with the night pattern change i believe, it was supposed to go off at that time and didn't.
Not only is WTMJ back with the hiss, but after a 4-month vacation, WSCR 670 has once again
resumed with iboc.
Unfortunately they haven't done anything to fix the sparkly popping that rides audio peaks.
AM 640 is now being creamed by both 620 AND 670. Center tuning on 640 you hear the pollution of WTMJ and WSCR.
And I'm using a real radio with a tuned RF stage and 2 455 khz IFs, so it's no Coby slushbox.
The audio on WSCR is just like before with the peaks creating the really wide * sparkles *, but they've got the
the processor hitting attack much faster and not releasing quite as fast, so you don't hear the rasp riding above
drawn out long syllables, but you do hear it on the attacks. Still sounds like an old noisy brush motor sparking.
For the last 4 months I've been able to hear WLW most mornings on the way home from work.
Now its all sparkles. WSM was also badly trashed by WSCR "spark noise" last night.
I did recently re-peak the IFs in the car radio, so side tuning helps some, but fer cripes sake, they're spreading into 640.
Dear CBS, Can you not make these things behave?
resumed with iboc.
Unfortunately they haven't done anything to fix the sparkly popping that rides audio peaks.
AM 640 is now being creamed by both 620 AND 670. Center tuning on 640 you hear the pollution of WTMJ and WSCR.
And I'm using a real radio with a tuned RF stage and 2 455 khz IFs, so it's no Coby slushbox.
The audio on WSCR is just like before with the peaks creating the really wide * sparkles *, but they've got the
the processor hitting attack much faster and not releasing quite as fast, so you don't hear the rasp riding above
drawn out long syllables, but you do hear it on the attacks. Still sounds like an old noisy brush motor sparking.
For the last 4 months I've been able to hear WLW most mornings on the way home from work.
Now its all sparkles. WSM was also badly trashed by WSCR "spark noise" last night.
I did recently re-peak the IFs in the car radio, so side tuning helps some, but fer cripes sake, they're spreading into 640.
Dear CBS, Can you not make these things behave?
Tom Wells said:
WSCR literally started spewing again yesterday. Their analog audio now sounds like crap and they pollute the dial in the general area of 670. On the same day, WTMJ also started peeing in the MW waters. A coincidence? Or was some rep who works for Ibiquity in the neighborhood? Sure seems like a conspiracy to me.
What a shame, just when it seemed like the AM band was clearing up a bit....
This may be "spectral re-growth" causing the pops on other stations. I have observed the same thing in my market; however it only occurs when the IBOC station is aggressive in it's analog modulation. It may be just audio peaks, but I have also observed sub-audible tones passed by the IBOC station showing up on the 3rd adjacent. You can be listening to the 3rd adjacent AM station, hearing just the "tick tick tick" of the IBOC peaks, then when they pass a sub-audible, you hear a "brrrrrrp."
I'm not talking about a fringe listening experience. This has been observed within the 3rd adjacent station's city grade contour.
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