Yes, thanks Mauno for the tip,
CHAD measured 6164.960 kHz exact,
heard RNT N'djamena in French commentary on Bangladesh at 2045 UT Aug 14,
S=9+10dB signal on remote unit in Australia, fully ahead of tiny ZNBCR2
Lusaka Zambia co-channel which is 40 Hertz upper on even 6165 kHz.
73 wb df5sx
----- Original Message -----
From: "Mauno Ritola" Sent: Tuesday, August 14, 2012 10:33 PM
Subject: Re: [dxld] Re: Ron Howard recent logs. Zambia ZNBC2, 6165.
Hi Bill,
I went to check the sound now at 2015 and it sounds like Chad is back on
6164.96 kHz.
73, Mauno
14.8.2012 22:35, Bill Bingham kirjoitti:
Hi everyone,
In DXLD number 4739, Ron Howard in California posted a recording of
Zambia ZNBC2 on 6165 kHz. His recording demonstrates the whistle that
I have been reporting since June 30. Ron remarks "Still no trace of
Chad!", and there is certainly no pure het. But the warbly whistle is
there, disproving suggestions that it is being produced in some
location close to me in Jo'burg. With so much background QRN on the
recording, I can understand that it might be impossible to hear the
whistle unless one knows exactly what one is listening for. I am
quite attuned to it by now, having heard it regularly for the past six
weeks, on a much clearer signal, and am convinced it is there. Even
so, in case my ears were playing tricks, I forwarded Ron's link to
Vashek Korinek, also in Jo'burg. He has listened to it and just
replied to me:
"As far as I'm concerned it is there. I wouldn't pick it up without
knowing what to listen for, but it is just audible".
I suggest that anyone trying to hear the whistle should play Ron's
recording at a low volume level; the atmospheric QRN is so strong that
if played loud it will de-sensitise the hearing and suppress the
low-level whistle.
So it does seem to be the ZNBC2 transmitter itself which is causing
the problem, as first suggested by Vashek. Any other ideas are always
welcome, but I am convinced after hearing Ron's recording. Many
thanks, Ron.
Regards, >> Bill.
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