Recent News
RF Espionage – Orlen Wolf – WW0LF – 6/17
What: Building upon his last presentation, Orlen (WW0LF) is this evening’s presenter. He will talk about the equipment used for bug (spy hardware) detection. Orlen talks about the target of...
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June 2026 Round Table
Click here for the downloadable version: https://w0tx.org/wp-content/uploads/2026/06/RT_JUN_26.pdf Powered By EmbedPress
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Low Earth Orbit Satellite Comms – David Cherba – WZ8T- 5/20
What: Low Earth Orbit Satellite Comms - David Cherba - WZ8T- 5/20David will give us primer on his experience with low earth satellite communications.From amsat.org:One of the great features of...
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May 2026 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2026/05/RT_MAY_26.pdf
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NanoVNA – a Dozen Uses for the Average Ham – Bob Mesenbrink – NB0BN – 4/15
What: NanoVNA - a Dozen Uses for the Average Ham - Bob Mesenbrink - NB0BN - 4/15 Bob will use the nanaVNA to measure everything from antennas, coax, passive components,...
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April 2026 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2026/04/RT_APR_26.pdf
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33cm License-free Fun with Meshtastic – Ryan Frederick – WR7F – 3/18
What: 33cm License Free Fun with Meshtastic - Ryan Frederick - WR7F - 3/18 An open source, off-grid, decentralized mesh network built to run on affordable, low-power devices. No cell...
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March 2026 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2026/03/RT_MAR_26.pdf
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Terrestrial Navigation/Jamming in the Baltic Sea – Lars, Niklas Hehenkamp, Markus – 2/18
What: https://media.ccc.de/v/39c3-who-cares-about-the-baltic-jammer-terrestrial-navigation-in-the-baltic-sea-regionhttps://events.ccc.de/congress/2025/hub/en/event/detail/who-cares-about-the-baltic-jammer-terrestrial-navigation-in-the-baltic-sea-regionReports of GNSS interference in the Baltic Sea have become almost routine — airplanes losing GPS, ships drifting off course, and timing systems failing. But what happens when a...
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February 2026 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2026/02/RT_FEB_26.pdf
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January Meeting Presentation – TBA – 1/21
What: To be announcedWhere:For remote, please go to https://w0tx.org/meet or https://meet.google.com/bsq-zrpv-jpj/, both links go to same place, for our live google meet to chat. Also streaming on https://youtube.com/denverradioclub.When:The pre-meeting Elmer...
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January 2026 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2026/01/RT_JAN_26.pdf
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December 2025 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2025/11/RT_DEC_25.pdf
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November Meeting Presentation – Restoring a 60 Year-Old Swan 500C Transceiver – 11/19
What: Restoring a 60 Year-Old Swan 500C Transceiver by Bob Mesenbrink NB0BNWhere:For remote, please go to https://w0tx.org/meet or https://meet.google.com/bsq-zrpv-jpj/, both links go to same place, for our live google meet to...
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November 2025 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2025/11/RT_NOV_25.pdf
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October 2025 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2025/10/RT_OCT_25.pdf
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September Meeting Presentation – TBA – 9/17
What: Board elections plus TBD presentationWhere:For remote, please go to https://w0tx.org/meet or https://meet.google.com/bsq-zrpv-jpj/, both links go to same place, for our live google meet to chat. Also streaming on https://youtube.com/denverradioclub,...
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September 2025 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2025/09/RT_SEP_25.pdf
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August Meeting Presentation – TBA – 8/20
What: To be announced Where:Please go to https://w0tx.org/meet or https://meet.google.com/bsq-zrpv-jpj/, both links go to same place, for our live google meet to chat. Also streaming on https://youtube.com/denverradioclub.When:The pre-meeting Elmer session and...
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August 2025 Round Table
Click here for the downloadable version https://w0tx.org/wp-content/uploads/2025/08/RT_AUG_25.pdf
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Your help is wanted
We are seeking your help, please visit w0tx.org/volunteer for further info and to sign-up.
We are looking for Tower Climbers, EmComm Coordinators, Program Coordinators, Round Table Editors, Elmers/Education Coordinator, and Graphic Designers.
We are looking for ideas or presenters for future presentations. If you have topic suggestion or presenters you would like to see or if you yourself would like to present please get in contact with us via w0tx.org/contact-us/.
Recent For Sale/Wanted
National NC-2-40CS
The National NC-2-40CS is a vintage, 12-tube commercial shortwave radio receiver built in the 1940s by the National Company. Key…
06/13/2026
Total views: 1
Price: $50.00
Total views: 1
Price: $50.00
VX-5R Batteries
I have two unused batteries for a Yaesu VX-5R handheld transceiver. They're P/N FNB-80LI rated at 7.4V and 1500mAh. They're…
04/22/2026
Total views: 13
Price: Free
Total views: 13
Price: Free
Tokyo Hy Power 100W HL Bdx amplifier
100W amplifier. Excellent condition. Perfect for Yaesu FT-817/818. Automatic switching bands with the interface cable (included). HF/6m bands
03/19/2026
Total views: 40
Price: $400.00
Total views: 40
Price: $400.00
Propagation Information
The Current Grey Line Propagation Map
Thanks to N0NBH, and John Walker for providing these images.
Ham Radio Crosswords
More at w0tx.org/crosswords.