Reverse Beacon Network Node Setup

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Kim Elmore

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Apr 26, 2026, 12:22:45 PM (12 days ago) Apr 26
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I am the faculty advisor for the University of Oklahoma student amateur radio club, officially named the Alpha Sigma Delta Amateur Radio Society, it's historical name. I'm in the process of collecting information for an ARDC grant to build a Reverse Beacon Network node to be installed as part of the club station, W5TC, at the National Weather Center (NWC) in Norman, OK. My intent is to write a grant sufficient for a CW/RTTY/FTn node with the antenna near the top of the NWC putting the antenna up about 150 ft. I'd like the node to cover 160-6 m using a Red Pitaya SDR with a GPSDO external clock. I've read the https://hamsci.org/cw-reverse-beacon-network-how-guide page and have enlisted a few others to help with the installation and set up. Are there other sources I should read and be aware of before I begin this process?

73,

Kim Elmore N5OP

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Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP SEL/MEL/Glider, UAS, N5OP, 2nd Class Radiotelegraph, GROL)

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Bill Liles

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Apr 26, 2026, 2:29:29 PM (12 days ago) Apr 26
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I will let others answer this question but is a Red Pitaya still the preferred receiver or would a RX 888 MKII with ka9q-radio with the turnislandsystems.com equipment and wsprdaemon sw be a much better setup?

Bill, NQ6Z
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Rob Robinett

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Apr 26, 2026, 2:48:16 PM (12 days ago) Apr 26
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Much. much more propagation data would be gathered by a HamSCI DASI receive site consisting of a RX888+GPSDO+MiniPC than by a red pitaya

Rob



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Rob Robinett
AI6VN

Dr. Nathaniel A. Frissell Ph.D.

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Apr 26, 2026, 2:50:43 PM (12 days ago) Apr 26
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Specifically regarding the RBN… the CW Skimmer software and RBN aggregator only run on Windows and work well with the Red Pitaya. There are starting to be discussions on how to get that capability to be compatible with KA9Q-RX888 combo, but I do not think they are there yet.

Rob is right, WSPRDaemon with the RX888 will get you much more propagation data, but it does not yet have the CW decode capability.

From: ham...@googlegroups.com <ham...@googlegroups.com> on behalf of Rob Robinett <r...@robinett.us>
Date: Sunday, April 26, 2026 at 2:48 PM
To: ham...@googlegroups.com <ham...@googlegroups.com>
Subject: Re: [HamSCI] Reverse Beacon Network Node Setup

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Kim Elmore

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Apr 26, 2026, 3:03:47 PM (12 days ago) Apr 26
to Dr. Nathaniel A. Frissell Ph.D., ham...@googlegroups.com

This is precisely the kind of information I need! What's the nature of the differences between the Red Pitaya and the RX888? There's no big rush for getting the grant in, as I have a lot more to learn and I have time to learn it. I want what we build to be useful for the RBN *and* HamSci. Do we need to build two different nodes: one for RBN and one for HamSci?

I'm all ears at this point.

73,

Kim Elmore N5OP

Gary Mikitin, AF8A

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Apr 26, 2026, 8:22:28 PM (11 days ago) Apr 26
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Kim - Have you visited https://hamsci.org/wsprdaemon-sdr-overview-specifications-sourcing ?  That's currently the best collection of HamSCI / PSWS / RX888 info.  There are a few GitHub sites which describe the software.  The documentation is very much a work in progress but it IS being worked on.

Note that the RX888 has been sourced from China in the past few years ... so please be sure, if you decide otherwise purchase one, you find a reputable site (Amazon has been OK)..  The group here can help, they've been through the process numerous times.

The project is constantly undergoing improvements - a bit of a moving target (but moving in the right direction) at the moment.

73 de Gary, AF8A

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