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Topic Title Topic Starter Replies Views Last Action
No New Posts   Si4432 Breakout
PCB mount/external antenna
johnfulgor 2 1,144 September 24, 2017
Last Post by: Sch3mat1c
No New Posts   How to build ultrasonic anti-barking device?   12
Tuco 33 61,369 July 02, 2017
Last Post by: taivideo1
No New Posts   Ham Radio Books
Books and magazines related to HAM radio
xeontory 3 1,518 May 03, 2017
Last Post by: cgriggs
No New Posts   Rit
rx/tx freq?
cgriggs 0 629 May 02, 2017
Last Post by: cgriggs
No New Posts   Hf Tool
how to build hf machine
homer 1 714 April 29, 2017
Last Post by: BlueVanACD2005
No New Posts   Neon Bulb In Antenna Circuit
Hamra 4 3,131 September 20, 2016
Last Post by: Hamra
No New Posts   Sagem Rm-540-u (406-470mhz)
need a bit more info..
gremlinsa 5 5,042 June 01, 2016
Last Post by: gremlinsa
No New Posts   Ground Planes
kellys_eye 3 3,571 November 27, 2015
Last Post by: CoulombMagician
No New Posts   Which Rf Bandwith To Choose ?
RF Bandwith choice
chris007 1 2,261 November 23, 2015
Last Post by: gremlinsa
No New Posts   Rf Inline Fuse Identification
~1970s tech
fenugrec 3 4,676 January 31, 2015
Last Post by: fenugrec
No New Posts   Varactor Versus Capacitor
kellys_eye 4 3,332 January 31, 2015
Last Post by: CWB
No New Posts   Antenna Analyzer Issue
AW07A / MFj-266
Skeith 16 6,631 January 18, 2015
Last Post by: CWB
No New Posts   Toroids And Relays
kellys_eye 4 3,665 September 27, 2014
Last Post by: kellys_eye
No New Posts   Dust Iron Vs Ferrite
kellys_eye 8 4,684 February 15, 2014
Last Post by: kellys_eye
No New Posts Got Me A Sdr   12
Geek 43 13,267 February 04, 2014
Last Post by: Nothing40
No New Posts   Pint Fueled Q Of The Week
TC upper frequency?
Jimthecopierwrench 7 3,631 February 03, 2014
Last Post by: Sch3mat1c
No New Posts   Electronics Now! December 1996
Seeking A Specfic article and 2 followup
Techowl 11 5,696 January 12, 2014
Last Post by: CWB
No New Posts   Simple Bpf Vs Cavity Filter
Fovakis 10 4,013 October 12, 2013
Last Post by: Fovakis
No New Posts   Down Converting An Rf Cw Signal And Then Back Up
FM modulating a CW signal
jomac 3 3,442 October 07, 2013
Last Post by: Sch3mat1c
No New Posts   Weird Signal I Can't Identify
Skeith 5 3,624 September 26, 2013
Last Post by: Geek
No New Posts   Circuit To *create* Speaker Interference
Dr.Mentalist 15 17,124 August 23, 2013
Last Post by: Geek
No New Posts   Megawatt Pulse Generation
The Observer 20 6,030 August 10, 2013
Last Post by: OpenLoop
No New Posts Pmr446 Transmitter
Where can I find it!
Robert Moyse 4 3,977 August 08, 2013
Last Post by: CWB
No New Posts   Dsp Nominal Signal Level For Audio?
Fovakis 0 3,756 June 28, 2013
Last Post by: Fovakis
No New Posts   X Ray Weapon.
FBI claims credit for vaporware
johansen 5 4,068 June 21, 2013
Last Post by: Geek
No New Posts   Receiver's Noice Input =k*t*bweq ?
Fovakis 4 3,810 June 13, 2013
Last Post by: Fovakis
No New Posts   Rf Attenuators In Mixer's Input Port
Fovakis 0 3,684 May 28, 2013
Last Post by: Fovakis
No New Posts   Wireless Camera Driving Circuit And Mems
Camera Integration Transmission and Rec.
mekitron 2 3,908 May 26, 2013
Last Post by: mekitron
No New Posts   I&q Modulator Questionss
Fovakis 7 5,041 May 24, 2013
Last Post by: Fovakis
No New Posts What Synthesizer I Need?!>
Fovakis 23 4,566 May 19, 2013
Last Post by: Fovakis
No New Posts   Morse Code Communication Using Fm Frequency
StrawberryBro 6 5,362 March 19, 2013
Last Post by: Geek
No New Posts   A Frequency Synthesizer Using A Pll For An Undergr
Funkymix89 0 4,199 February 28, 2013
Last Post by: Funkymix89
No New Posts   Ne602 - Calculating Input Bandpass Filter
atferrari 4 6,512 February 23, 2013
Last Post by: Geek
No New Posts   Rf Comunicatin Modules
priestnot 4 5,018 January 04, 2013
Last Post by: gremlinsa
No New Posts   Wasn't Someone Looking For An Rds Decoder A While
back?
Geek 1 3,913 December 20, 2012
Last Post by: CWB
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