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 permissable in your locale.

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Subject / Started by	Replies / Views	Last post
New here, and my journey building a SW xmtr Started by fieldstrength1947 « 1 2 3 ... 5 »	60 Replies 1217 Views	October 09, 2018, 1502 UTC by R4002
400W RF Generator Started by Stretchyman	0 Replies 88 Views	October 08, 2018, 1440 UTC by Stretchyman
zeppelin radio homemade transmitter video presentation Started by zeppelin radio	7 Replies 417 Views	September 20, 2018, 1231 UTC by TheRelayStation
A legal limit am transmitter for 75/160 meters from WO1U Started by redhat « 1 2 »	20 Replies 2358 Views	August 28, 2018, 2300 UTC by redhat
Stretchyman 50W Tx Started by Stretchyman	2 Replies 230 Views	August 26, 2018, 1740 UTC by Stretchyman
Common and Precious 4 (on air, 6.399.5kHz, 2W) Started by Zazzle	8 Replies 618 Views	August 11, 2018, 0715 UTC by muromdx
Beacon Project "Common and Precious III" (OFF air, 26510 kHz, 8W) Started by Zazzle « 1 2 3 »	41 Replies 33911 Views	August 07, 2018, 1754 UTC by syfr
Beacon Project "Common and Precious II" (OFF air, 6.398.5kHz, 30W) Started by Zazzle « 1 2 3 »	40 Replies 66959 Views	July 24, 2018, 2316 UTC by Zazzle
What exactly could cause a modulation transformer to ocscillate? Started by RadRoadrunner	14 Replies 488 Views	July 24, 2018, 0136 UTC by Pigmeat
Beacon Project "Common and Precious" (OFF air, 10.237,5kHz, 5W) Started by Zazzle « 1 2 3 ... 5 »	61 Replies 42084 Views	July 17, 2018, 1932 UTC by Zazzle
A newbie question about a transmitter Started by CharlieFoxtrot	12 Replies 914 Views	June 30, 2018, 1947 UTC by Pigmeat
Engineering Paper in 1997 devotes discussion on class E amp 13 mhZ Started by digitalmod	13 Replies 811 Views	June 29, 2018, 1358 UTC by radiogaga
Crystal question Started by JimIO	8 Replies 360 Views	June 27, 2018, 2112 UTC by Josh
3kw pep solid state amp 1.8-54 mhz Started by digitalmod	14 Replies 1179 Views	June 27, 2018, 1913 UTC by TheRelayStation
Q about strange tuning on a valve TX Started by Brian	7 Replies 318 Views	June 27, 2018, 1601 UTC by syfr
does anyone on here know if an IRF610 is a replacement for a IRF510 Started by ka1iic	14 Replies 2717 Views	April 27, 2018, 0002 UTC by redhat
TX-ONLY SDR HACKED FROM COMMODITY $5 USB TO VGA ADAPTERS Started by ChrisSmolinski	0 Replies 397 Views	April 23, 2018, 1418 UTC by ChrisSmolinski
µC based Class E RTTY with Crystal pulling Started by Zazzle	1 Replies 306 Views	April 10, 2018, 1759 UTC by Josh
Cheap and easy PWM modulator for small AM transmitters Started by redhat	7 Replies 1008 Views	March 11, 2018, 2159 UTC by Stretchyman
A 1 Kw output broadband package Started by digitalmod	9 Replies 922 Views	February 19, 2018, 0023 UTC by digitalmod

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