Cold Sky vs Hot Ground
Admin
Cold Sky vs Hot Ground: Here’s a quick test which will verify all is okay with your hydrogen line radio telescope: The difference between 10K cold sky & 290K Earth…
Jason Burnfield’s Design Tools and Instructions for his 150cm Mini Radio Telescope Dish
Corrected version of Jason Burnfield’s Design Tool: Hi Andy, This is the latest version of my Excel spreadsheet with design sheets for my original 2.74 meter dish, my mini dish,…
Problem with uploads of VLF data to SuperSID servers from LRO SuperSID device
Hi Andrew, welcome to the SID community! Your first data appearedtoday. Unfortunately, there are some problems with the data. Here’s anexample of what we have received: NEW/StMichaels_CUTLER_2026-04-15_000000.csvignoring bad data line:…
Obtaining the value to use for VLSR correction during analysis of amateur radio astronomy data from NRAO (Greenbank Observatory) website
https://www.gb.nrao.edu/cgi-bin/radvelcalc.py?UTDate=2026%2F04%2F11&UTTime=12%3A00%3A00&RA=20%3A23%3A00&DEC=40%3A00%3A00
Is 0.3dB going to equate to 50K antenna temperature signal over background?
Short answer: no – 0.3 dB does NOT correspond to a 50 K antenna temperature increase (unless your system temperature is very high). P2 / P1 = 10^(0.3 / 10)…
Assessment of quality www.astronomy.me.uk by ChatGPT
Here’s a proper comparison of your site against the main “benchmarks” in amateur radio astronomy, so you can see exactly where it sits. 🛰️ 1. Benchmark sites 🌍 Society of…
How do I set up my SuperSID VLF detector software so that data from the Stanford SuperSID device is uploaded to the Stanford SuperSID data server?
To get your SuperSID detector automatically uploading data to the Stanford servers, you only need to enable and verify a few configuration settings. The functionality is already built into the…
Detecting M31/M33 with 150cm dish
From Jason Burnfield:
To get plots uploading to vlf.astronomy.me.uk
Need to run upload-v3.py on LRO-SIDS5 (134cm aerial with direct soundcard input).
How to use Discovery Dish hydrogen line feed on LRO-H2 150cm Solar Cooker Radio Telescope Dish
Adapted from advice by Alex Pettit. Alex: The Illumination of the feed is determined by the dish<>feed spacing. For small dishes, beam forming choke rings consume too much area. The…