LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi)

Easy Radio Astronomy Software (ezRA) LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi) Radio observation in hydrogen line (1420MHz)

Comparison of size of peaks on ezCol (ezRA) from LRO-H2 and LRO-H3 in last few days

Admin May 24, 2025 No Comments

See Powerpoint below: https://www.astronomy.me.uk/wp-content/uploads/2025/05/Comparison-data-collection-peaks-on-LRO-H2-and-LRO-H3-23-240525.pptx

LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi) Radio observation in hydrogen line (1420MHz)

Calculating the decibel gain from my Alex Pettit Patch Yagi Antenna (1420MHz) (LRO-H3) using data collected with ezCol from Easy Radio Astronomy Software

Admin May 16, 2025 No Comments

I used a screen recorder to record time-lapse of the ezCol screen over 24 hours then choose the frame with maximum gain demonstrated for hydrogen. Calculation of decibels involved: 20…

LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi) Radio observation in hydrogen line (1420MHz)

Successful test of LRO-H3 Radio Telescope (Alex Pettit Patch Yagi Aerial)

Admin April 25, 2025 No Comments

At last, successfully got this working! 13-element Patch Yagi tuned to 1420 MHz by Alex Pettit from USA (member of SARA). First light below – ezRA (Easy Radio Astronomy) used…

LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi) Radio observation in hydrogen line (1420MHz)

Photos of LRO-H1, LRO-H2, and LRO-H3 hydrogen-line radio telescopes at Lichfield Radio Observatory 14/4/2025

Admin April 14, 2025 No Comments

LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi) Radio observation in hydrogen line (1420MHz)

LRO-H3 1420MHz tuned aerial (Alex Pettit Plate Yagi) not showing difference between sky and ground. Why might this be? Handmade tuned 1420MHz with 13 elements and RTL-SDR Blog V3 software defined radio and Nooelec SAWBird H1 low noise amplifier and filter.

Admin January 23, 2025 No Comments

LRO-H3 1420MHz tuned aerial (Alex Pettit Plate Yagi) not showing difference between sky and ground. Why might this be? Handmade tuned 1420MHz with 13 elements and RTL-SDR Blog V3 software…

Comparison of size of peaks on ezCol (ezRA) from LRO-H2 and LRO-H3 in last few days

Calculating the decibel gain from my Alex Pettit Patch Yagi Antenna (1420MHz) (LRO-H3) using data collected with ezCol from Easy Radio Astronomy Software

Successful test of LRO-H3 Radio Telescope (Alex Pettit Patch Yagi Aerial)

Photos of LRO-H1, LRO-H2, and LRO-H3 hydrogen-line radio telescopes at Lichfield Radio Observatory 14/4/2025

LRO-H3 1420MHz tuned aerial (Alex Pettit Plate Yagi) not showing difference between sky and ground. Why might this be? Handmade tuned 1420MHz with 13 elements and RTL-SDR Blog V3 software defined radio and Nooelec SAWBird H1 low noise amplifier and filter.

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Screenshot LRO-H1 data collection ezCol-py with RTL-SDR v3–23/1/2025@1240

How to use GLon.py in ezRA (Easy Radio Astronomy)

Hydrogen Line peak (H-Line, 1420 MHz) screen capture from ezCol.py capture software (part of ezRA suite) collecting data from a RTL-SDR Blog v3 Software Defined Radio on LRO-H2 radio telescope (150cm dish) on 22/1/2026

What is the impedance of 1420 Mhz (1.42 GHz) [atomic neutral hydrogen line] dipole?