Wonder if the high angle of radiation off my 43' vertical will help or hurt possible reception? I really need a better antenna up for 20-10m... I had a 25' vertical but winds snapped off the 1/4 inch aluminum mounting plate and I haven't fixed it...

Mary

W0AAT

On 12/23/2022 8:59 AM, Jon Platt via NLRS wrote:

A cut and paste from the The ARRL Letter for December 22, 2022 is below. Yea, its HF, but its still cool.

73, Jon

W0ZQ

Amateur Radio Operators Invited to participate in Asteroid Bounce Experiment

The High-frequency Active Auroral Research Program (HAARP) will be conducting a research campaign/experiment on December 27, 2022, with transmissions between 1100 - 2300 UTC (0200 - 1400 AKST).

HAARP antenna array at the University of Alaska, Fairbanks.

This experiment will reflect HAARP transmissions off of Near-Earth Asteroid (NEA) 2010 XC15, and the echo will be received by the Owens Valley Radio Observatory Long Wavelength Array (OVRO-LWA) at the California Institute of Technology (Caltech) and by the University of New Mexico's Long Wavelength Array (UNM-LWA). The target asteroid will be roughly two lunar distances away from Earth at the time of transmission. Characterizing the interior structure and composition of NEAs is critical for advancing the understanding of solar system evolution and aiding in planetary defense.

Actual transmit times are highly variable based on real-time ionospheric conditions and all information is subject to change. Currently, the Asteroid Bounce (2010 XC15) experiment will take place Dec. 27, 2022, from 1100 UTC to 2300 UTC; 9.6 MHz, LFM (linear FM), 0.5 Hz WRF (waveform repetition frequency), 30 kHz bandwidth. Reports recording echo are encouraged; demodulated recordings in .wav or .mp3 are recommended.

For real-time ionospheric conditions in Gakona, please consult ionograms from the HAARP Diagnostic Suite at https://haarp.gi.alaska.edu/diagnostic-suite.

Amateur radio and radio astronomy enthusiasts are invited to listen to the transmissions/echoes and submit reception reports to the HAARP facility at [email protected] and request a QSL card by mailing a report to:

HAARP

P.O. Box 271

Gakona AK 99586

USA

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