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https://www.astronomy.me.uk/wp-content/uploads/2025/10/DSES251016_10.txt Not worked! This first attempt to generate GNU Radio Companion GRC script with SDRplay RSPduo SDR which creates data

Generally, the bigger the better within practical limits. Consider its orientation  (N-S or E-W), where it will be located, will

Building a horn antenna tuned for the 21 cm (1420.405 MHz) hydrogen line is a popular and effective way to

I asked ChatGPT how to do this, and here is its suggestion:

WR-650 already covers 1.12–1.70 GHz, so 1.420 GHz sits comfortably in-band—you don’t need to resize the guide. What you do need is a

The WR14 waveguide (also known as WH14) is a rectangular waveguide used for millimeter-wave applications in the K-band. Here are the key technical specifications: Parameter Value Designation

The WR137 waveguide is a rectangular waveguide commonly used in the C-band frequency range, particularly for radar, satellite communications, and radio astronomy work just below the

The WR-90 waveguide is a rectangular waveguide commonly used for microwave signals, particularly in the X-band frequency range. Here’s a quick technical summary: Parameter Value Waveguide

Download disc image below – use Active@ Disc Image to install on new PC – install this image on USB

Do you mean the angular size of the Great Orion Nebula (M42)?