RE: [HCDX]: PNG and Solomons heard

["Thomas B. Roach" <sigint@xxxxxxxxxxx>]

Mark:

The "dBm" is the signal strength unit used by the HF-1000. There is
probably a way to convert it to uV/m but I don't know what it is. The
new Ten-Tec RX-340 "S" meter apparently has both a "dBm" scale and an
"S" meter scale. The good thing is the "dBm" is a scientific and useable
method of recording signal strength. The HF-1000 has a 10 dBm "pre-amp"
you can use if the signal is extremely weak and ambient noise is low.
The Vanuatu signal I logged [ex-Solomons :)] actually was improved by
using the pre-amp. I think this is the first time I have ever seen this
happen. I sure am looking forward to the day I can buy a Ten-Tec RX-340
and do an A/B with the HF-1000. That day is probably at least 18 months
off. Has anybody gotten their hands on an RX-340 yet? I sure am glad
somebody stepped into the gap with a top end unit once WJ bit the dust
with the HF-1000. The TenTec is $1,000 plus less than the new WJ
"replacement". Also, you may not need the SE-3 for the RX-340, so that's
another $500 saved.

Right now thanks to the Sherwood SE-3 I'm getting great reception of the
Egyptians [Radio Cairo] on 9.9 MHz using LSB. Otherwise it would be
pretty much of a wash. Time is 0211Z 4/27/2000. Signal strength is -77
dBm [if you measure the signal strength in the LSB mode it appears to
be -95 dBm]. I try to only measure signal strength in the AM 8 KHz
bandwidth AM mode for consistency.

Thomas B. Roach
Listening with Watkins-Johnson HF-1000
Antenna: Alpha Delta DX-SWL Sloper
QTH: California's Sierra Nevada mountain foothills

-----Original Message-----
From: owner-hard-core-dx@xxxxxxxxxxxxxxxx
[mailto:owner-hard-core-dx@xxxxxxxxxxxxxxxx]On Behalf Of Mark J. Fine
Sent: Wednesday, April 26, 2000 04:32 PM
To: hard-core-dx@xxxxxxxxxxxxxxxx
Subject: Re: [HCDX]: PNG and Solomons heard

Tom, I generally hear PNG here in the mornings with at least a 20uV/m
field
strength.  What's all this new-fangled dBm stuff... <G>  And
Ralph... -110dBm
is probably as low as a Drake will go, given residential/suburban noise
levels.

73,

[*     Mark J. Fine * FineWare * 11252 Cardinal Drive     *]
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----- Original Message -----
From: "Ralph Brandi" <ralph@xxxxxxxxxx>
To: <hard-core-dx@xxxxxxxxxxxxxxxx>
Sent: Wednesday, April 26, 2000 8:09 AM
Subject: Re: [HCDX]: PNG and Solomons heard


I tuned to the Solomon Islands and found them at 4960.005 KHz at
1012Z. Signal strength ñ110 dBm. Barely audible but a female in
French was heard.

Nice trick, Tom.  They must be drifting horribly. :-)

What you heard was most likely Vanuatu.  Solomon Islands are on 5020
or thereabouts.

--
Ralph Brandi  ralph@xxxxxxxxxx  webmaster@xxxxxxxxx
http://www.anarc.org/

Webmaster, Association of North American Radio Clubs
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