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Bursts of noise on 462.55000

jeepsandradios

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Jul 29, 2012
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East of the Mississippi
Sounds like someone has APRS beacon turned on and on a GMRS channel. Not uncommon to hear this in reality. Ive heard it multiple times on trips when scanning. At one point I was able to decode it on my FTM and set the ham a email. He replied radio channel got hit and it changed channels. This is just another issue with hams using ham radios on GMRS. My ham gear can't TX on GMRS and have no reason for it to do that.
 

OkieBoyKJ5JFG

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May 16, 2022
Messages
161
Hmmm... I've never heard the term "cross" applied to encode/decode tones before. Which radios are you using so that I can check the terminology?
It's the term CHIRP uses for transmitting with one type of code and receiving with another. For example, you might transmit with a CTCSS tone and receive with a DTCS code. It's also possible to set it to transmit with no code and receive with one.
 

chief21

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Mar 2, 2004
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It's the term CHIRP uses for transmitting with one type of code and receiving with another. For example, you might transmit with a CTCSS tone and receive with a DTCS code. It's also possible to set it to transmit with no code and receive with one.
OK. In your case, I think you need the radio to be set for both encode and decode (Tone mode TSQL -or- DTCS+RX DTCS) using whatever values are appropriate for the channels you use. The need for CROSS would only apply if your repeater uses different types of squelch or different values for its encode and decode settings. Most repeaters use the same type of squelch and the same values for both, when both are implemented.
 

w4wsm

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Joined
Aug 1, 2005
Messages
16
Location
Bowling Green, KY
Whatever it was, it seems to have stopped, so I guess I'll never figure out what it was.
I'm going to bet it was someone with APRS turned on in their mobile and the radio wound up on .55 for a while. Since it quit they just went to another frequency or saw it was still in APRS mode and turned it off. Run decode and you won't hear this random stuff...
 
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