ARRL: Locating Power Line Noise with Mike Gruber, W1MG [ Video ]

ARRL’s Interference Expert Mike Gruber, W1RM, takes his nose for noise to California, where he shows you how to hunt down a noise source in a real-world example. Recorded on location in Pleasant Hills, California, April 2015.

Review

Emergency Grid Down Communications Winter Edition

January 19, 2019 No comments

“Hello Operators Extreme weather and grid down disasters seem to be happening more often, and with greater intensity. More often than not, when... Read more

Review of Radioddity GD-77 DMR Tier 2 Handheld

August 31, 2017 No comments

Dual Band & Dual Time Slot: VHF 136-174MHz, UHF 400-470 MHZ; GD-77 has both Tier I & II and is compatible with Motorola and other DMR radios.... Read more

Elecraft KX2 VS. Xiegu X5105 QRP Radio Showdown!

June 29, 2019 No comments

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QRP Labs at the 2019 Dayton Hamvention®

May 22, 2019 No comments

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So you think you need an antenna analyzer?

February 06, 2020 No comments

“A discussion came up on the HRCC facebook page over if an antenna analyzer was needed to setup an amateur radio antenna properlly. The answer i... Read more

VHF

Student from Saint Paul’s School Rajkot receives ISS SSTV

February 12, 2019 No comments

14-year-old Snehal Vagadia VU3WHO successfully received his first Slow Scan TV image from the International Space Station on Sunday, February 10. It w... Read more

Yaesu FT-25R

February 07, 2017 No comments

Yaesu FT-25R The Yaesu FT-25R is a rugged, lightweight and compact VHF handheld transceiver that offers up to 5W of output power along with lower powe... Read more

Cheap Ham Radio Handhelds Tested – Transmit & Receive

September 01, 2022 No comments

Cheap Ham Radio Handhelds Back to practical range testing. Today we have four popular ham radio handhelds that all sell under $100.00. Read more

ROIP-102 Radio Repeater or Radio Trunking SIP Gateway Full PTT control (IETF SIP V2)

July 14, 2015 No comments

What is a Cross-Network Gateway? It enables voice communications among the Radio, VoIP, and Public Announce (PA)  networks. It incorporates Radio over... Read more

VERO VGC VR-UV4 Quad Band IP68 Two Way Radio

August 03, 2022 No comments

VERO VGC VR-UV4 Here we take a look at the VR-UV4 Quad Band IP68 Two Way Radio from Vero, VGC. Product Name: VR-UV4 Quad Band IP68 Two Way Radio Item... Read more

Digital Modes

Getting Audio Sorted Out for FT8 

September 08, 2022 No comments

Kevin, KF0IPD, Is having problems with his audio. He is wondering if their is a setting on the 7300 that powers down the sound card inside the radio w... Read more

The FT4 Protocol for Digital Contesting by K1JT

April 22, 2019 No comments

Joe Taylor, K1JT, Steve Franke, K9AN, and Bill Somerville, G4WJS April 22, 2019 Introduction: FT4 is an experimental digital mode designed specificall... Read more

PSK31 With The Elecraft KX3

September 14, 2015 No comments

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Slow Scan TV in 1973 ( SSTV )

April 11, 2015 No comments

Slow Scan TV in 1973 ( SSTV )     Read more

HF Signal Propagation PSK Reporter , PSK/JT65/FT-8/CW/JT9

August 16, 2017 No comments

PSK Reporter Where is your signal being heard? Is your antenna working? What is the status of the band? Check out this video to learn about the PSK re... Read more

Antenna

Vehicular HF Antenna Base 1.8 – 54MHz

December 13, 2014 No comments

The CHA HYBRID Base is designed to enhance the capabilities of the common HF radio application by allowing faster tuning operation across the HF bands... Read more

Butternut HF5B 5-Band Butterfly Beam Antenna

December 10, 2014 No comments

  Butternut HF5B 5-Band Butterfly Beam Antenna Five popular HF bands 20, 17, 15, 12 and 10 meters in a rotatable, two element beam? No Lossy trap... Read more

GB 10elm 144MHz Quad

May 31, 2015 No comments

GB 10elm 144MHz Quad Details GB 10elm 144MHz Quad for Horizontal or Vertical mounting Turning:2,20m ( 7ft) Boom:3,80m (12ft) Aluminium ( 2 parts) Wire... Read more

New! Bonito Loop ML-200

September 24, 2015 No comments

The Bonito ML-200 is a wide band active antenna for reception of long, medium and short waves as well as the lower VHF band. The antenna is is charact... Read more

2 Meter Quad PVC Pipe Antenna by KG0ZZ

July 22, 2015 No comments

2 Meter Quad This is a different way of using PVC pipe to build a 2 meter cubical quad antenna. Instead of an “X” style spreader this ante... Read more