A simple method for Decibel power calculations. Receivers. – Ham College 51

80 METER FRAME ANTENNA

December 07, 2015 No comments

  by Harry Lythall – SM0VPOI keep on and on about my little balcony and the antenna restrictions it imposes on my HF antennas. This project... Read more

FX700 Vector Network Analyzer

June 17, 2021 No comments

Metropwr FX700 is a vector network analyzer 0.1/700 MHz used to measure all the parameters of an antenna. It has a large 4.3 “touch screen display and... Read more

CompacTenna VHF/UHF Stealth But EFFECTIVE antenna, Review and On-Air Test

March 24, 2021 No comments

Check out this CompacTenna dual band ham antenna, only 7.5″ tall and can be used for mobile OR base applications. I also have the CompacTenna Sc... Read more

4EL 40M @ 190′ [ VIDEO ]

October 26, 2019 No comments

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Hy-Gain AV-680 9 Band Vertical Update Video

November 19, 2018 No comments

Hy-Gain AV-680 9 Band Vertical Hy-Gain Multi-Band PATRIOT Vertical Antennas 9-band vertical covers 80/40/30/20/17/15/12/10/6 Meters • No radials • No... Read more

RFinder – The World Wide Repeater Directory now supports DMR-MARC WW Network!

September 28, 2015 No comments

RFinder and DMR-MARC.net has completed its integration… RFinder now has a regular feed of the DMR Repeater list (MOTOTRBO, a.k.a. TRBO) worldwid... Read more

Hytera PD36X DMR Portable Review

December 19, 2014 No comments

  Hytera PD36X DMR Portable Review by Tony Langdon VK3JED   Read more

Hytera X1P – Two Way Radio ( VHF and UHF )

March 19, 2015 No comments

    Hytera X1p two way radio, ultra-thin full power keypad digital portable radio, complies fully with ETSI open standard. Perfect combination of... Read more

TYT MD-9600 Dual Band DMR Digital Mobile Radio (UHF/VHF)

July 07, 2017 No comments

Now you can go digital on the road with the TYT MD-9600 DMR Digital Mobile Two Way Radio! The MD-9600 gives you the crystal clear, noise-free audio of... Read more

Toptek Communications PA-85V VHF Power Amplifiers

January 30, 2019 No comments

Amplifier, VHF, 85 W, 138-174 MHz, Each Brand:Toptek Communications Manufacturer’s Part Number:PA-85V Part Type:VHF/UHF Amplifiers Product Line:... Read more

BUILD A COMPUTER TO CW INTERFACE

February 15, 2016 No comments

Using a well-known circuit, I show you how to build a simple computer interface so that your logging software can send CW through your radio. The logg... Read more

Elecraft KPA500 Compact 160-6 M Solid State Amplifier

April 17, 2015 No comments

    500+ Watts in a compact package the size of the Elecraft K3. We are proud to introduce the KPA500:  A 500-watt solid-state amp that inte... Read more

NanoVNA a $50-$70 Ham Radio Antenna Analyzer?

December 18, 2019 No comments

AURSINC Vector Network Analyzer 50KHz -900MHz HF VHF UHF Antenna Analyzer Measuring S Parameters, Voltage Standing Wave Ratio, Phase, Delay, Smith Cha... Read more

GZV6000 Switching Mode DC Power Supply – 60 Amp

August 25, 2015 No comments

Special Features: • Size: 8.25″ x 4.5″ x 16″ • Weight: 12.8 lbs. • 60 Amp Continuous Rating, 100% Duty Cycle • Variable Voltage Cont... Read more

Compact In-Line stereo DSP noise cancelling module -BHI

June 30, 2019 No comments

Compact In-Line stereo DSP noise cancelling module £179.95 Net Price (ex VAT) £ 149.96 Add to Cart Compact In-Line 0.270 kg Weight: A-COMPACT IN-LINE... Read more

Virtual Reality For Ham Radio With Oculus Quest 2

January 18, 2022 No comments

Virtual reality headsets like the Oculus Quest 2 has the capability of remoting into your ham shack computer for remote control of any application on... Read more

MOSFET – The Most significant invention of the 20th Century

January 17, 2022 No comments

What makes a truly world-changing invention?. Of all the inventions of the 20th century just one could be said to have changed the world in such a way... Read more

The only five things you need (for portable operation)

January 13, 2022 No comments

Stop buying equipment, you only need these five things to have a successful ham radio portable operation. Read more

How Good is the IC-7300 Internal Tuner?

January 12, 2022 No comments

Lee, KA5NHU, watched Ask Dave Episode #391 and has a question. Could you use the internal tuner inside the IC-7300 or should you use an external tuner... Read more

Uses of Pre-Amp, Attenuation, Notch, Noise Blanker, Noise Reduction, and IP+ ?

January 10, 2022 No comments

Robert, W4RKM, has watched many videos on the funtions and capabilities of a rig, but he wants to know the differences and applications for the variou... Read more