For a VLF loop antenna used to monitor Sudden Ionospheric Disturbances (SIDs), the received signal strength mainly depends on the loop area × number of turns, not simply the total…
70cm aerial for UKRAA 23 kHz receiver: The 134cm LRO Aerial:
Click on link below to download – provided as ZIP file – unzip this into your Spectrum Lab configurations folder: https://www.astronomy.me.uk/wp-content/uploads/2026/03/LRO_VLF_Config_works-with-134cm-aerial-LRO-PC-10-210226@1800.zip
Sure! Here’s the calculation in plain ASCII: For reference:
There isn’t a single formal “amateur deep space network,” but there are several organised groups and communities of radio amateurs and citizen-science teams that regularly detect carriers from interplanetary probes.…
Installing Linux on a Mac depends mainly on which type of Mac you have: I’ll outline both methods. 1. Installing Linux on an Intel Mac (Most Flexible) Step 1 —…
The torque required depends mostly on three things: If the dish is perfectly balanced around the elevation axis, the motor only needs to overcome friction and inertia, which is quite…
Dale Hitherington’s online calculator (WA4DSY): https://www.wa4dsy.net/cgi-bin/idbpf
New process to clean up hydrogen line data, removing RFI. https://github.com/AP-HLine-3D/HLine3D/blob/main/JAVA_HL3D_mX%2Bb_RFI_V2.2_08Mar26_IFAvg2csv.jar start with zero frequency width and gradually widen.
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