"Tebojockey" wrote in message
...
On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote:

Tom Holden wrote:

"Tom Holden" wrote in message
.. .
Noticed this last night and tonight. Is it my radio or are others
hearing
the same thing? German language transmission booming into Toronto at
9735
from 0200 with distorted splatter around 9845 and 9625kHz.

So it is Deutsche Welle transmitting from Bonaire. The splatter is
unintelligible but synchronised with modulation peaks, especially strong
with deep male voices. There is no carrier that I can detect at the
splatter
frequencies and SSB reception mode does not derive anything
intelligible.
The splatter spectrum seems fairly wide although the presence of
adjacent
stations renders these observations difficult. I can't think of any
receiver
overload or intermod process that would result in symmetrical splatter
but I
am using two identical radios to listen to the 9735 program and one of
the
splatter sidebands so there could be a common receiver problem. There is
less interference to the splatter on 9845.

What radios are you using? My guess would be some sort of IF problem. If
both radios use the same IF then it could be overloading the circuits
and causing the problem. Some radios can cause symmetrical splatter (as
you put it) on both sides of the main freq, usually 910 khz below and
above.


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That's actually a good point. I wonder if the radios' proximity to
each other could be causing an issue as well? If the IF's are off, it
could be a case of intermod by injection, but that is so rare as to be
a long shot.

Hope he does get back to us on what he finds.

Al in CNMI

Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image
on one side only, and would be carrier with sidebands, not carrier-less
splatter. The splatter is there with only one radio operating so it's not
radio interaction. I sent a message to DW - we'll see if they reply or it
clears up!

Tom