The RF Workbench

We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

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Subject / Started by	Replies / Views	Last post
High Powered Pirates Started by redhat « 1 2 »	26 Replies 19715 Views	June 15, 2014, 1317 UTC by OMCS
Any DDS 200 watt AM Transmitters or kits Started by digitalmod « 1 2 »	29 Replies 19557 Views	January 19, 2018, 1143 UTC by ChrisSmolinski
Simple SiC TX Started by Stretchyman « 1 2 3 »	30 Replies 18833 Views	June 22, 2019, 2200 UTC by Stretchyman
NCP driver sucks Started by OgreVorbis « 1 2 3 »	32 Replies 14753 Views	November 11, 2023, 0612 UTC by Charlie_Dont_Surf
Solar SLA charging and maintenance for unattended transmitters Started by deciduous « 1 2 3 »	32 Replies 15784 Views	May 28, 2020, 1205 UTC by syfr
Modulated 5W NS40 Started by Antennae « 1 2 3 »	33 Replies 22071 Views	September 11, 2020, 1311 UTC by syfr
HF Beacon, design questions Started by greator « 1 2 3 »	33 Replies 12801 Views	June 21, 2020, 0826 UTC by greator
Stretchyman 40 W TX Reliability Modifications Started by Charlie_Dont_Surf « 1 2 3 »	36 Replies 16247 Views	October 31, 2022, 2035 UTC by Azimuth Coordinator
Stretchyman 40w GaN TX is sick Started by Antennae « 1 2 3 »	39 Replies 30347 Views	June 27, 2020, 2100 UTC by Charlie_Dont_Surf
Beacon Project "Common and Precious II" (OFF air, 6.398.5kHz, 30W) Started by Zazzle « 1 2 3 »	40 Replies 145646 Views	July 24, 2018, 2316 UTC by Zazzle
Beacon Project "Common and Precious III" (OFF air, 26510 kHz, 8W) Started by Zazzle « 1 2 3 »	41 Replies 73750 Views	August 07, 2018, 1754 UTC by syfr
Hellschreiber beacon - with some oomph! Started by Radiotech « 1 2 3 4 »	45 Replies 19069 Views	July 08, 2022, 0212 UTC by Charlie_Dont_Surf
U-LULU (Updated LULU) for 48 meters, 20 Watt Class-E AM Transmitter Started by Charlie_Dont_Surf « 1 2 3 4 »	49 Replies 59763 Views	September 03, 2025, 1833 UTC by Tonsku79
Someone had Corsair II AM TX experience? Started by netsmo62 « 1 2 3 4 »	49 Replies 36089 Views	March 28, 2023, 1531 UTC by Stretchyman
Stretchyman “40W TX” Failure Investigation and Remediation Started by Charlie_Dont_Surf « 1 2 3 4 5 »	60 Replies 53727 Views	January 05, 2024, 0025 UTC by Zane
New here, and my journey building a SW xmtr Started by fieldstrength1947 « 1 2 3 4 5 »	60 Replies 24714 Views	October 09, 2018, 1502 UTC by R4002
Beacon Project "Common and Precious" (OFF air, 10.237,5kHz, 5W) Started by Zazzle « 1 2 3 4 5 »	61 Replies 72205 Views	July 17, 2018, 1932 UTC by Zazzle
Beginner class D design Started by OgreVorbis « 1 2 3 4 5 6 »	81 Replies 49605 Views	June 12, 2019, 2122 UTC by OgreVorbis

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