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...
Video by Laboenligne.ca
This is the true story about two amateur radio operators who have been friends for over 35 years.
One of them, the DXer, his wife became seriously ill. They had to sell the house, the cottage, all the ham radio gears, and bought an apartment (condo) for it’s wheel chair accessibility, but the new QTH (location) has a ban on antenna installations....
This is the third videos about my BITX-40 kit, a QRP, SSB, 10-watt, kit from hfsigs.com. The basic kit is only $59, and comes with assembled circuit boards. This video covers connecting all the other components. Many thanks to K7AGE for introducing me to this! Subscribe: https://goo.gl/pzVIvV. Ask Dave Playlist: https://goo.gl/inaQeB. Tip Jar: http://ke0og.net/tip-jar