Hardware

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

Round cantenna and square pyramidal horn calculators available online

Admin December 8, 2025 No Comments

Links to two useful calculators below (I have nothing to do with these websites): https://3g-aerial.biz/en/online-calculations/antenna-calculations/cantenna-online-calculator https://www.everythingrf.com/rf-calculators/pyramidal-horn-antenna-gain-calculator

NanoVNA Radio observation in hydrogen line (1420MHz) Waveguides

Block diagram, parts list and checklist for using coaxial cable to waveguide adapter for hydrogen line radio astronomy

Admin December 7, 2025 No Comments

Here’s a ready-to-use block diagram plus a practical minimal parts list and quick build/test checklist so you can turn your WR-650 waveguide-to-coax adapter into a full waveguide feed for 1420…

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

How can I use a WR-650 coaxial cable to waveguide adapter as part of a hydrogen line receiving system?

Admin December 7, 2025 No Comments

Good questions. First, to be clear — by “convert … to a full waveguide” I assume you mean: you have a (a waveguide‑to‑coax adapter) and you want to use it…

Hardware

Types of USB connector

Admin December 5, 2025 No Comments

Hardware

Tohtsu CX-520D coaxial relay product info from DX Shop 3 December 2025

Admin December 3, 2025 No Comments

https://www.astronomy.me.uk/wp-content/uploads/2025/12/Tohtsu-CX-520D-product-info-from-DX-Shop-031225-reduced.pdf

USRP B210 Software-Defined Radio

Device addresses (USRP B210 Software-defined radio) on LRO-24 on 22/11/2025

Admin November 23, 2025 No Comments

USRP B210 Software-Defined Radio

Ubuntu setup for USRP B210 from SumanSynth/ubuntusetupfor-b210 (Public Github Site 23/11/2025)

Admin November 23, 2025 No Comments

This is a copy of the repository found 23/11/2025 on https://github.com/SumanSynth/ubuntusetupfor-b210 Download ZIP file below: https://www.astronomy.me.uk/wp-content/uploads/2025/11/ubuntusetupfor-b210-master.zip

USRP B210 Software-Defined Radio

HamGeek B210 VS HamGeek B210 PRO USRP B210 Software-Defined Radio Devices

Admin November 23, 2025 No Comments

From https://www.hgeek.com/products/hamgeek-b210-b210-pro-70mhz-6ghz-sdr-transceiver-software-defined-radio-replacement-for-usrp-b210?variant=45979339554981 (23/11/2025) HamGeek B210 VS HamGeek B210 PRO:1. The HamGeek B210 PRO, the newer version, consumes slightly more power than the previous HamGeek B210. However, when an external power…

USRP B210 Software-Defined Radio

Specifications of HamGeek AD9361 RF 70MHz-6GHz SDR Software Defined Radio USB3.0 Compatible with ETTUS USRP B210

Admin November 23, 2025 No Comments

From https://www.hgeek.com/products/hamgeek-ad9361-rf-70mhz-6ghz-sdr-software-defined-radio-usb3-0-compatible-with-ettus-usrp-b210 This gives an idea of specifications of USRP B210 systems Description:The USRP B210 provides a fully integrated, single-board, Universal Software Radio Peripheral (USRP™) platform with continuous frequency coverage…

USRP B210 Software-Defined Radio

Which combinations of parameter values on the USRP B210 software defined radio have least probability of crashing in use?

Admin November 23, 2025 No Comments

There isn’t a single “safe” set of parameters for the USRP B210 that guarantees no crashes (it depends a lot on your host PC, USB link, FPGA image, and what…

Round cantenna and square pyramidal horn calculators available online

Block diagram, parts list and checklist for using coaxial cable to waveguide adapter for hydrogen line radio astronomy

How can I use a WR-650 coaxial cable to waveguide adapter as part of a hydrogen line receiving system?

Types of USB connector

Tohtsu CX-520D coaxial relay product info from DX Shop 3 December 2025

Device addresses (USRP B210 Software-defined radio) on LRO-24 on 22/11/2025

Ubuntu setup for USRP B210 from SumanSynth/ubuntusetupfor-b210 (Public Github Site 23/11/2025)

HamGeek B210 VS HamGeek B210 PRO USRP B210 Software-Defined Radio Devices

Specifications of HamGeek AD9361 RF 70MHz-6GHz SDR Software Defined Radio USB3.0 Compatible with ETTUS USRP B210

Which combinations of parameter values on the USRP B210 software defined radio have least probability of crashing in use?

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