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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+The\s+Forbidden\s+Frequency\s*$/: 7 ]

Total 7 documents matching your query.

1. Topband: The Forbidden Frequency (score: 1)
Author: Charles Bibb <zedkay@bellsouth.net>
Date: Sun, 02 Jan 2005 14:47:57 -0600
Hello, fellow Topbanders: Maybe this has been covered here before, but what's up with the QRM (steady carrier) on or about 1830khz? Almost everyone across the country regards 1830 as a "bad" frequenc
/archives//html/Topband/2005-01/msg00015.html (8,016 bytes)

2. Re: Topband: The Forbidden Frequency (score: 1)
Author: "Tom Rauch" <w8ji@contesting.com>
Date: Sun, 2 Jan 2005 16:50:52 -0500
with the QRM (steady It's a combination of harmonics from 610 and mixing products of AM BC stations on other frequencies. The same thing occurs on 1810, 1820, 1840, and so on. frequency and many DX
/archives//html/Topband/2005-01/msg00017.html (11,691 bytes)

3. Re: Topband: The Forbidden Frequency (score: 1)
Author: "Bob Tellefsen" <n6wg@comcast.net>
Date: Sun, 2 Jan 2005 14:11:54 -0800
Charles There is another possibility, at least mathematically. That is A+B=C, in this case 1830 kHz. For example 610 + 1220 = 1830. This is a classic intermod product. It would require both sources t
/archives//html/Topband/2005-01/msg00018.html (7,475 bytes)

4. Re: Topband: The Forbidden Frequency (score: 1)
Author: Earl W Cunningham <k6se@juno.com>
Date: Sun, 2 Jan 2005 15:54:38 -0800
"...what's up with the QRM (steady carrier) on or about 1830khz?" == Mine is the third harmonic of local KAVL on 610 kHz, about 5 miles away. It's been there 24/7 ever since I moved to this QTH in 19
/archives//html/Topband/2005-01/msg00020.html (7,025 bytes)

5. Re: Topband: The Forbidden Frequency (score: 1)
Author: brianboschma <brianb@brianboschma.com>
Date: Sun, 02 Jan 2005 20:21:46 -0800
Bob Tellefsen wrote: Charles There is another possibility, at least mathematically. That is A+B=C, in this case 1830 kHz. For example 610 + 1220 = 1830. This is a classic intermod product. It would r
/archives//html/Topband/2005-01/msg00021.html (9,426 bytes)

6. Re: Topband: The Forbidden Frequency (score: 1)
Author: Jon Zaimes AA1K <jz73@verizon.net>
Date: Mon, 03 Jan 2005 11:24:15 -0500
In Philadelphia, 100 or so miles NE of my central Delaware location, we have WIP on 610 kHz and their 3rd harmonic hits 1830. I think they run 50KW. 73/Jon AA1K ______________________________________
/archives//html/Topband/2005-01/msg00030.html (7,334 bytes)

7. Re: Topband: The Forbidden Frequency (score: 1)
Author: "Tom Rauch" <w8ji@contesting.com>
Date: Mon, 3 Jan 2005 12:01:27 -0500
sometype in the effect ?). I antenna join the 2nd rains came I with a tinned connections could BC stations I'm sure that can happen, but we can't discount transmitter problems. Most cases I see over
/archives//html/Topband/2005-01/msg00033.html (9,304 bytes)

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