Direction of movement and Doppler shift in radio frequencies
In cosmology, a positive Doppler shift in radio waves means an object is moving away from us. This happens because the waves
Read moreAstronomy observatory in Staffordshire, England.
Astronomy observatory in Staffordshire, England.
In cosmology, a positive Doppler shift in radio waves means an object is moving away from us. This happens because the waves
Read more1. Visual Inspection Check for: 2. Continuity and Resistance Testing Using a multimeter: 3. SWR Measurement Use an SWR meter or
Read moreFor M31, Wikipedia gave the following: M31’s Radial Velocity: The Andromeda Galaxy (M31) is moving toward us with a radial
Read morehttps://www.gb.nrao.edu/cgi-bin/radvelcalc.py
Read moreThe Ka band (pronounced as either “kay-ay band” or “ka band”) is a portion of the microwave part of the electromagnetic spectrum. The designation “Ka-band” is
Read moreClick below to download file – ZIP file that needs to be unzipped to get USR file for Spectrum Lab:
Read moreMy first “map” of M31 – results of my first observing programme using the 20m dish at Green Bank Observatory.
Read more; Exported “Conditional Actions” for Spectrum Lab if( never ) then # ====== User definable options ====== if( never )
Read moreRecording by Michel Safir. The following recording is of an amateur radio communication in English from International Space Station (ISS)
Read moreThis video shows the frequency varies cyclically during the 24 hour period. Screenshots from this video to show hot and
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