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Batch file used for collecting data using ezCol (Easy Radio Astronomy) in hydrogen line (1420.405MHz) radio telescopes at Lichfield Radio Observatory (LRO).

Admin January 22, 2025 No Comments

This is the current batch file used with LRO-H1: REM NORMAL RESOLUTION (IE STANDARD SETTINGS) cd C:\cd C:\Data\ezRA_Program+Data\LRO\py ..\ezRA\ezCol.py -ezRAObsLat 52.7 -ezRAObsLon -1.8 -ezRAObsAmsl 81.0 -ezRAObsName LRO-H1(Ptarmigan)ezCol_1400-27MCav+SAWB_LMR400_FreqRef_1422-405_Bandwidth_1-000_El-40-1_Az_163 -ezColAzimuth 163 -ezColElevation…

Comparing specifications of range of software defined radios that can be used for hydrogen line Amateur Radio Astronomy with small dishes.

Admin January 13, 2025 No Comments

Detecting the hydrogen line at 1420.4058 MHz is a popular project among amateur radio astronomers, and several software-defined radios (SDRs) are suitable for this purpose when paired with appropriate antennas…

Smallest antenna that can detect hydrogen in Milky Way

Admin January 13, 2025 No Comments

Detecting the 21 cm hydrogen line (the characteristic emission from neutral hydrogen in the Milky Way) requires a radio antenna sensitive to that wavelength. The wavelength of this emission is…

4D (3 spatial dimensions) mapping of Milky Way arms generated using data from LRO-H1(Ptarmigan) radio telescope obtained 29/5/2024-17/8/2024 and used to create the second Milky Way map from LRO in 2024. Today’s images processed in Rinearn3D on 9/1/2025.

Admin January 9, 2025 No Comments

Comparison of results from processing LRO-H1(Ptarmigan Array Data) collected by ezCol.py (ezRA software suite) with two filter arrangements 1st to 8th January 2025

Admin January 8, 2025 No Comments

Filter arrangement 1: Ptarmigan Dipole Array ==> WT Microwave 1418-1422 MHz Cavity Filter ==> Nooelec SAWBird LNA ==> RTL-SDR Blog V3 Software Defined Radio. Filter arrangement 2: Ptarmigan Dipole Array…

Potential arrangements of Nooelec SAWBird H1, Nooelec LANA low-noise amplifier, and WT Microwave 1420MHz narrow band cavity filter, to improve radio-astronomy detection of hydrogen line.

Admin January 8, 2025 1 Comment

Insertion Loss in Nooelec SAWBird H1: The Nooelec SAWbird+ H1 is a self-contained low-noise amplifier (LNA) module designed for hydrogen line detection around 1420 MHz. It features two ultra-low-noise amplifiers…