Following results of investigations by Alex Pettit were posted on SARA Mailing List 20/1/2026: The “Nooelec 1.4GHz” feed seems improperly designed : the Focal Point of a 1m f/D 0.35…
That helps a lot — Ptarmigan Triffid immediately explains the confusion 👍 You have not used the wrong antenna, only the wrong band name. Ptarmigan & Triffid (UK Army) The…
Excellent — I’ll go through all four, keeping it practical and tied to 1420.405 MHz H-line work with WR-650. 1. Field patterns in WR-650 at 1420 MHz For the dominant…
Short answer: because different people are talking about different operating regions of the same waveguide, and some descriptions quietly assume single-mode, low-loss, well-matched operation rather than mere propagation. Here’s the…
Here’s the clarification you need: ✅ WR-650 is a real, standard rectangular waveguide ❌ WR-65 is not a standard rectangular waveguide designation How the naming works So the confusion boils…
WR-650 is the ideal rectangular waveguide for hydrogen line work. WR stands for Waveguide, Rectangular, and the number refers to the internal broad-wall dimension in hundredths of an inch. Specifically:…
Converting a Python GNU Radio block into C++ is very doable, but it’s not a mechanical translation — you’re moving from a runtime-defined block to a compiled, typed one that…
Yes — there are several ways to show text on screen in GNU Radio based on the value of a variable, and the best method depends on where the variable…
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