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Test tone on 1630

Heard 5 AM PDT Monday morning. Heard at Fresno area. Can anyone ID this for me?
XEUT 1630.... they leave the transmitter on but run that tone all night.. theyve been doing it.. forever i think
 
Seconded. XEUT runs test tone after sign-off, which I think is at midnight PT. That tone is annoying as it is often over and under the Wyoming station. Albeit, I've heard everything I need to on 1630 for now. WRDW is defunct.
 
So it's kinda like a jammer
No, a jammer is a station that intentionally keeps people from hearing another station's broadcasts. XEUT is operating with its legal licensed power, just running a tone instead of music or talk.
 
It's the auditory version of a TV station signing off back in the day and leaving color bars and tone on all night.
 
It's still Interfering with other stations by keeping it on
No, a jammer is a station that intentionally keeps people from hearing another station's broadcasts. XEUT is operating with its legal licensed power, just running a tone instead of music or talk.
It is interesting how beeping noises and tones seem to travel farther than regular programming, and I wonder why that is?
 
It is interesting how beeping noises and tones seem to travel farther than regular programming, and I wonder why that is?
I don't think they go farther, but they're easier to pick up under another station or out of a mess of stations. Six stations playing music or talk jumble together. The tones and beeps stick out.
 
It's still Interfering with other stations by keeping it on
No, it is not interfering any more than it does throughout its program schedule.

That's like saying that KPRC is interfering with LR3; a number of local DXers used to get that station when KPRC would be off the air on Monday mornings.
 
It is interesting how beeping noises and tones seem to travel farther than regular programming, and I wonder why that is?
Tones can be broadcast at as close to 100% AM modulation as you can get. They are very intense. All other programming has nowhere near the density of modulation. In fact, in the past stations that used tones for testing or for their monthly frequency check sometimes had to limit the modulation level as the transmitter would shut down or worse.
 
My question is, why would they broadcast a tone all night? Couldn't they sell ads or sell the time to infomercials or wannabe broadcasters, or am I missing something? Seems like a waste to run a transmitter all night and not make money off of it.
 
It is generally believed to save on maintenance costs to run the transmitter 24/7. XEUT only has 1kW authorized at night, so the pesos needed for the electricity is negligible... especially if it saves on maintenance.
 
My question is, why would they broadcast a tone all night? Couldn't they sell ads or sell the time to infomercials or wannabe broadcasters, or am I missing something? Seems like a waste to run a transmitter all night and not make money off of it.
XEUT is owned and operated by Universidad Autónoma de Baja California. Non-commercial.
 
It is generally believed to save on maintenance costs to run the transmitter 24/7. XEUT only has 1kW authorized at night, so the pesos needed for the electricity is negligible... especially if it saves on maintenance.
After having a rat explode inside one of my transmitters when we turned on the power at 6 AM one morning, I decided to go 24/7 over 55 years ago.

Cleaning away a dead rat is always dreadful... the several hour task of removing the bits and pieces of one that exploded is even worse.

We never made any money in the overnight hours, but we knew we'd always be on for the breakfast show.
 
My question is, why would they broadcast a tone all night? Couldn't they sell ads or sell the time to infomercials or wannabe broadcasters, or am I missing something? Seems like a waste to run a transmitter all night and not make money off of it.
Very few if any stations make any money in the Midnight to 5 AM time slot today... and few ever did in the past.
 
I think I finally heard the test tone on 1630 earlier this a.m., on my PR-D5. I probably had heard it before, thinking it was a station off frequency, or RFI. It was very, very weak under the splash of local KYIZ 1620.
 
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