Short answer: usually no for a classic cantenna, but yes in specific variants. Why standard cantennas use parallel sides A conventional cantenna is a cylindrical waveguide designed to support the…
Useful information from Alex Pettit: H-Line 3D (HL3D) does following: 1) takes theIFavg file set, analyses the drift and slope of each file at ( user specified ) non H…
Dimensions of the commercial rectangular WR650 feed I purchased off ebay Dec 2025 are 164mm wide x 82mm high x 128mm deep, with monopole probe located 57mm from back plane.
Process for installation on a your PC – this PC will be wiped by this process so ensure it does not contain data you wish to preserve. This image was…
This design is called a coudé telescope (often written coudé focus). In a coudé system, mirrors redirect the light down the mount or pier so the eyepiece or instrument stays…
The HMC849 is a high isolation, non-reflective DC to 6 GHz SPDT (Single-Pole, Double-Throw) RF switch available in a 16-pin, 4×4 mm LFCSP surface-mount package. Data Sheet: https://www.astronomy.me.uk/wp-content/uploads/2026/01/Analog-Devices-HMC849a-data-sheet.pdf Key Pin…
This was a wonderful meeting, with membership of the group increasing in every meeting!
(C) Andrew Thornett 5/1/2026 All rights reserved.
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