Ideas for the shack with Tim, K3LR and Jeff, KB8ZWT!
Antenna
472kHz Antenna Calculator
This tool calculates the antenna capacitance and radiation resistance of small vertical monopoles at 475 kHz. It is by no means a replacement for ante… Read more
New Antenna Physics Book from ARRL!
Written to bridge the gap between basic theory and graduate-level engineering texts, the second edition of Antenna Physics: An Introduction includes n… Read more
Using a Mobile HF Antenna in a Fixed Location
“Tom, N6AJR, is a older gentleman who has some trouble getting around, and he would like to mount one of his mobile antennas to a metal picnic t… Read more
144 MHz Halo Antenna
Construction and Analysis of a Low Cost Omnidirectional Horizontally Polarized Antenna for 144 MHz by Dr. Carol F. Milazzo, KP4MD (posted 23 May 2012)… Read more
Review
How to Receive Beautiful Images of the Earth Directly From Space | GOES-15,16,17 and Himawari 8 HRIT
“In the fall of 2016 I saw my first rocket launch and little did I know that the satellite on that rocket would come to shape and fill my though… Read more
![HF power amplifier BURST-2000A [ VIDEO ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/10/50706002_1832830953511996_8929897844937064448_n-1-265x168-1.jpg?w=635&ssl=1)
Boeing Antennas
Aircraft antenna Aircraft antennas , Garmin, AeroAntenna Technology, and more Com Antennas, Couplers, Diplexers, Combiners, DME/Transponder Antennas,… Read more
Ham Radio Forms a Planet-Sized Space Weather Sensor Network
The article “Ham Radio Forms a Planet-Sized Space Weather Sensor Network,” appeared on February 9 in Eos, Earth & Space Science News — an American… Read more
How to set up Compression on your HF radio
*Photo : K2FX “Oggie Harry Rundall, AC3EK, wrote to me about an experience he had setting compression on his Icom IC-7300. That prompted me to i… Read more
Equipment
Vibroplex Code Warrior Jr
Vibroplex The Code Warrior Keys are uniquely serial numbered and dated. With a base measuring only 2 1/2″ by 3″, this small iambic model… Read more
ALPIN 200 – LINEAR AMPLIFIER HF 2KW
ALPIN 200 Linear Amplifier Available from January 2015! Specifications coverage Frequency : All the bands radio amateur 1.8-29,7 MHz Output Po… Read more
Check out the Radio Analog IC-7300 interface module
t last! A large screen panadapter for your IC-7300! Radio Analog PTRX-7300 IF Interface Modules provide an innovative method to sample filtered receiv… Read more
![160-6 Meter Solid State Linear Amplifier [ TEN-TEC ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2021/10/JW_004_134_12418frontgreensmall__99762.1405450156.1280.1280-265x168-1.jpg?w=635&ssl=1)
160-6 Meter Solid State Linear Amplifier [ TEN-TEC ]
Generating 100 Watts of output from as little as 5 Watts of input, the Model 418 Amplifier raises the bar for reliable and effici… Read more
ACOM A1200S 1.8 – 54MHz Power Amplifier
ACOM A1200S Five inch (5”) (108x65mm) high resolution color display, 800×480 pixels and 24-bits colors. The final stage uses field effect (MOSFE… Read more
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