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Forwarded by Bunshiro Tamura
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From: richard allen
To: vhf@w6yx.stanford.edu
Date: Thu, 17 Jan 2008 15:33:13 -0600
Subject: [VHF] EME Experiment
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SB SPCL @ ARL $ARLX002
ARLX002 Lunar Echo Experiment looking for Amateur Radio Participants
ZCZC AX02
QST de W1AW
Special Bulletin 2 ARLX002
>From ARRL Headquarters
Newington CT January 17, 2008
To all radio amateurs
SB SPCL ARL ARLX002
ARLX002 Lunar Echo Experiment looking for Amateur Radio Participants
The HF Active Auroral Research Program (HAARP) in Alaska and the
Long Wavelength Array (LWA) in New Mexico are planning an additional
lunar echo experiment for January 18-19.
Interested radio amateurs are invited to participate in this
experiment by listening for the lunar echoes and submitting reports.
On January 19, listen on 6.7925 MHz from 0500-0600z, and on 7.4075
MHz from 0600-0700z. On January 20, listen on 6.7925 MHz from
0630-0730z and on 7.4075 MHz from 0730-0830z (depending on frequency
occupancy at the time of operation, it may be necessary to adjust
the frequency slightly).
Based on previous experiments, investigators believe it should be
possible to hear the lunar echoes with a standard communications
receiver and a simple 40 meter dipole antenna. The format for the
transmissions will follow a five second cycle beginning on the hour
and repeating continuously.
The HAARP transmitter will transmit for the first two seconds. The
next three seconds will be quiet to listen for the lunar echo. Then
HAARP will transmit again for two seconds, repeating the cycle for
one hour. In the second hour, this five second repetitive cycle will
be repeated at a different frequency. All transmissions from HAARP
will be CW (no modulation).
Depending on ionospheric conditions, it may or may not be possible
to hear the HAARP transmission directly via skywave propagation.
Since HAARP will not be using any modulation, set your receiver on
to CW mode to hear HAARP and the lunar echo. Investigators are
interested in receiving signal reports from radio amateurs who may
be able to detect — or not detect– the lunar echo or the
transmitted skywave pulse from HAARP.
Submit reports via e-mail to mbreport@haarp.alaska.edu and list your
call sign and the type and location of your receiving equipment and
antennas.
NNNN
/EX
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