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#1
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T.V Pickup From Scanner...Weird!
The other day I was searching for active HF frequencies (29-54 MHz for
my scanner) when all of a sudden, somewhere in the middle of 37 MHz, I picked up what sounded like a TV show! (Similar to the Global station I pick up on 407.287 Mhz) I then changed the channel, and the sound changed. I soon found out that my scanner was picking up the same thing that my TV was! My usual freq. scanning place is about 3 metres from the TV, which is hooked up to a VCR which is hooked up to a StarChoice satellite receiver, all via coaxial cable. See if you guys get the same thing. Changing the subject, what is HF used for? I know 26-27 MHz is used for CB, but thats it. Thanks for any replies! -Trent |
#2
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T.V Pickup From Scanner...Weird!
On Mon, 17 Dec 2007 09:22:42 -0800 (PST), Bearcat210xlt
wrote: The other day I was searching for active HF frequencies (29-54 MHz for my scanner) when all of a sudden, somewhere in the middle of 37 MHz, I picked up what sounded like a TV show! (Similar to the Global station I pick up on 407.287 Mhz) I then changed the channel, and the sound changed. I soon found out that my scanner was picking up the same thing that my TV was! My usual freq. scanning place is about 3 metres from the TV, which is hooked up to a VCR which is hooked up to a StarChoice satellite receiver, all via coaxial cable. See if you guys get the same thing. Changing the subject, what is HF used for? I know 26-27 MHz is used for CB, but thats it. Thanks for any replies! -Trent Many TV's, especially older one;s, put the IF somewhere around 40Mhz, and it is about 6Mhz wide. So odds are your scanner was picking up energy radiated from the IF strip of the TV set. |
#3
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T.V Pickup From Scanner...Weird!
On Dec 17, 4:31 pm, matt weber wrote:
On Mon, 17 Dec 2007 09:22:42 -0800 (PST), Bearcat210xlt wrote: The other day I was searching for active HF frequencies (29-54 MHz for my scanner) when all of a sudden, somewhere in the middle of 37 MHz, I picked up what sounded like a TV show! (Similar to the Global station I pick up on 407.287 Mhz) I then changed the channel, and the sound changed. I soon found out that my scanner was picking up the same thing that my TV was! My usual freq. scanning place is about 3 metres from the TV, which is hooked up to a VCR which is hooked up to a StarChoice satellite receiver, all via coaxial cable. See if you guys get the same thing. Changing the subject, what is HF used for? I know 26-27 MHz is used for CB, but thats it. Thanks for any replies! -Trent Many TV's, especially older one;s, put the IF somewhere around 40Mhz, and it is about 6Mhz wide. So odds are your scanner was picking up energy radiated from the IF strip of the TV set. Got it. I also want to make a correction to what I said. 30-54 Mhz is in the Lo VHF band-not HF. The only thing my scanner will pick up below VHF is 29 Mhz. Still, no matter how often I search, I can't find any transmissions between 29-54 Mhz. If anyone has any freq. for 29-54, or knows what it is used for, I would like to know. Thanks, Matt! -Trent |
#4
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T.V Pickup From Scanner...Weird!
"Bearcat210xlt" wrote in message ... On Dec 17, 4:31 pm, matt weber wrote: On Mon, 17 Dec 2007 09:22:42 -0800 (PST), Bearcat210xlt wrote: The other day I was searching for active HF frequencies (29-54 MHz for my scanner) when all of a sudden, somewhere in the middle of 37 MHz, I picked up what sounded like a TV show! (Similar to the Global station I pick up on 407.287 Mhz) I then changed the channel, and the sound changed. I soon found out that my scanner was picking up the same thing that my TV was! My usual freq. scanning place is about 3 metres from the TV, which is hooked up to a VCR which is hooked up to a StarChoice satellite receiver, all via coaxial cable. See if you guys get the same thing. Changing the subject, what is HF used for? I know 26-27 MHz is used for CB, but thats it. Thanks for any replies! -Trent Many TV's, especially older one;s, put the IF somewhere around 40Mhz, and it is about 6Mhz wide. So odds are your scanner was picking up energy radiated from the IF strip of the TV set. Got it. I also want to make a correction to what I said. 30-54 Mhz is in the Lo VHF band-not HF. The only thing my scanner will pick up below VHF is 29 Mhz. Still, no matter how often I search, I can't find any transmissions between 29-54 Mhz. If anyone has any freq. for 29-54, or knows what it is used for, I would like to know. Thanks, Matt! -Trent at the low end amateur radio 10 meter band. at the high end broadcast TV audio side and amateur radio FM band. between those is forestry service, petroleum carriers and all sorts of older allocations. |
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