Latest Posts
Paul O’Grady
29 March 2023
Radiodays Europe 2023
28 March 2023
Podcast Series Made by AI
23 March 2023
21 March 2023

SDRplay at the Heart of New US WebSDR Receiver


An Impressive Station

Checking Propagation Conditions and More

KFS WebSDR is an HF radio receiver system located six miles south of Half Moon Bay, California USA. Anyone can access their monitoring station which has just been upgraded to use a bank of 8 RSP1As from SDRplay.

They have a choice of antennas including an impressive omnidirectional TCI530 log periodic antenna supported by a 92-ft high tower.

A WebSDR is a Software-Defined Radio receiver connected to the internet, allowing many listeners to listen and tune it simultaneously.

SDR technology makes it possible that all listeners tune independently, and thus listen to different signals.

This is a great way to explore how propagation into the west coast USA is behaving. It also gives newcomers to SDR a taste of what they could do if they had their own RSP.

Simply go to  and scroll down and click on “KFS WebSDR HF receiver” 

Content continues after advertisements

The UK-manufactured, RSP family of SDR receivers range in price from around £110 to £260 and are available directly from SDRplay Ltd., or Martin Lynch &Sons, Moonraker, Nevada, Radioworld, SDR-Kits and Waters & Stanton.

Ever-improving SDRuno software is provided to all customers for direct download from  


Source/ Image: Eight RSP1As in the WebSDR Rack in California’s KFS station (Courtesy SDRplay/ J. Hudson)

GW/ JH 240322

Content continues after advertisement