The Columbus Optical SETI Observatory (COSETI Observatory) - The Optic

- coseti.org

The Search for Extraterrestrial Intelligence (SETI) in the Optical Spectrum - looking for monochromatic and pulsed laser beacon signals

10,292,203 $ 240.00


Vibroplex | Bencher | INRAD | mAT-TUNER | Spiderbeam | Easy-Rotor-Cont

- vibroplex.com

Vibroplex & Bencher Morse Code keys. INRAD headsets, microphones and filters. Spiderbeam antennas and poles. mAT-TUNER automatic antenna tuners, Easy-Rotor-Control rotator controllers, W7FG Vintage Manuals, 4O3A Signature products

722,362 $ 1,680.00


Morse Code Resource Center - CW and Telegraphy by NW7US

- cw.hfradio.org

Morse Code / CW Telegraphy Resource Site. Focusing on the art, history, learning of Morse code, (International Morse code), and CW radio mode of operation.

4,278,766 $ 240.00