RSPdx Multi antenna port 14 bit SDR
The SDRplay RSPdx is a complete redesign of the popular RSP 2 and RSP 2 pro multi antenna receiver. It’s a wideband full featured 14 bit SDR which covers the entire RF spectrum from 1 kHz to 2 GHz. Combined with the power of readily available SDR receiver software (including SDRuno supplied by SDRplay) you can monitor up to 10 MHz spectrum...
RF Ground and Ground Planes - Ham Radio Q and A Episode 4
Today we talk about the RF ground, what it is and when it’s necessary. The purpose of the RF ground is to act as a reflector. It doesn’t radiate RF energy, but instead interacts with the antenna’s radiating elements by mirroring and reflecting that energy, creating a predictable RF radiation pattern....
Video by R2AA Jack Dan
Just 1 hour operating in "20 YEARS RCC@-marathon. I have never heard such a pile up... even from 5B4 and EA8... More than 380 QSOs in a hour in "59-59" mode.
Video by NXP Semiconductors
NXP Unbreakable BLF578XR: http://www.nxp.com/pip/BLF578XR.html
Tired of replacing tired, dead power transistors? Check out NXP's Unbreakable BLF578XR LDMOS RF Power Transistor in this video - and find out just how rugged eXtremely Rugged is! Would you dare to treat your transistor like this?
Video by KB9VBR
The 2 Meter band tape measure beam antenna is a 3 element Yagi with about 7.2 db of forward gain. This lightweight antenna is perfect to use for fox hunts or as a portable directional antenna for public service events.
1 25 foot 1 inch wide steel tape measure
1 10 foot piece...