Radio observation in hydrogen line (1420MHz) SETI Horn of Plenty (Hydrogen Line Pyramidal Horn Design Antenna)

Pyramidal Horn Calculator with examples for 1420 MHz hydrogen-line pyramidal horn build.

By Admin
Pyramidal Horn Calculator

This calculator calculates the optimal dimensions of a Pyramidal Horn.

Click on link below to see examples of calculation for hydrogen line radio observing (1420 MHz):

https://www.astronomy.me.uk/wp-content/uploads/2025/12/Pyramidal-Horn-Calculator-with-examples-091225.pdf

By Admin

Related post

Radio observation in hydrogen line (1420MHz) SETI Horn of Plenty (Hydrogen Line Pyramidal Horn Design Antenna)

The gain of a hydrogen horn or dish depends on its aperture which makes sense as bigger aperture means more light collected. But how does this work with a Yagi antenna tuned to hydrogen?

Admin
Radio observation in hydrogen line (1420MHz) SETI Horn of Plenty (Hydrogen Line Pyramidal Horn Design Antenna)

It is commonly stated that acceptable error in flare angle on a SETI Horn of Plenty is lambda/4. Why is this amount chosen?

Admin
Radio observation in hydrogen line (1420MHz) SETI Horn of Plenty (Hydrogen Line Pyramidal Horn Design Antenna)

Can an existing SETI Horn of Plenty (Hydrogen Line Horn) be extended by adding an extension on the front? Practical answer and more detailed explanation of physics involved.

Admin

Leave a Reply

Your email address will not be published. Required fields are marked *


This site uses Akismet to reduce spam. Learn how your comment data is processed.

You missed

Uncategorized

Eric Gibert/supersid: Cross-platform Sudden Ionospheric Disturbances (SID) monitor · GitHub

Uncategorized

Possible untested method to dry out an SDR that got soaked in rain outside.

Uncategorized

Table of length of central supports for cantenna for dishes of different focal ratios

Uncategorized

Is a black hole an isoptropic radiator?