For your 6.6685 GHz methanol-line receiver, the best Mini-Circuits connectorised choice is probably: Mini-Circuits ZX60-14LN-S+ Other suitable choices include: Model Frequency range Typical gain Typical noise figure Assessment ZX60-14LN-S+ 0.05–10…
Analysis of the data from my hydrogen horn in Lichfield has now been completed using observations collected up to 22 June. The results are very encouraging and are illustrated by…
This is ground level data to compliment the data to be collected at altitude during trans-atlantic flight from UK to USA on 30/7/2026. If that data is successfully collected, then…
Water masers are produced when water vapour (Hâ‚‚O) molecules in space act as a natural microwave laser. The word maser stands for Microwave Amplification by Stimulated Emission of Radiation. Here’s…
This is a map of the area around and including NGC7635, Bubble Nebula. According to Sky Safari Pro planetarium software, the Bubble Nebula is directly in the middle of this…
W49 is a radio source rather than a single visible object. It consists of two main components: Most planetarium programs don’t label “W49” by default, but you can usually locate…
This can be found on Alex’s Github pages where there are many excellent tutorials on many aspects of using this and other antennas – highly recommended. Access Alex’s Github page…
Yes, your spreadsheet is set up in the right way provided that the 1.72 dB is a power Y-factor. where (Y) must be a power ratio, not an amplitude (voltage)…
After the tests on 21/7/2026, I realised I needed to add in bias tee providing 12V to the Norsat 9000 – so the results on 21/7/2026 (21 July 2026) are…
For the flight from UK to USA to SARA Eastern Conference to process data at altitude vs data on ground for my talk at the conference. https://www.astronomy.me.uk/wp-content/uploads/2026/07/John-Savage-PicoMuon-Explorer-JS_PicoMuon3_2026-07-23.zip
Admin