Scientists detect lowest frequency radar echo from the moon

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7.4075 Mhz signals from HAARP received by LWA on Oct. 28 2007 09:00 UTC. This figure shows the ionospheric reflections and the lunar echos of three of the more than 1400 HAARP pulses received by one of the LWA antennas in New Mexico. Credit: Naval Re ...
7.4075 Mhz signals from HAARP received by LWA on Oct. 28, 2007, 09:00 UTC. This figure shows the ionospheric reflections and the lunar echos of three of the more than 1400 HAARP pulses received by one of the LWA antennas in New Mexico. Credit: Naval Research Laboratory

A team of scientists from the Naval Research Laboratory (NRL), the Air Force Research Laboratory’s (AFRL’s) Research Vehicles Directorate, Kirtland Air Force Base, N.M., and the University of New Mexico (UNM) has detected the lowest frequency radar echo from the moon ever seen with earth-based receivers.


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