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

Mobile Ham Radio Tips & Tricks Volume #1 by SignalSearch

March 12, 2018 No comments

Photo:Wayne-N0ISV Mobile Ham Radio Tips “A video about mobile ham radio setups by K5ACL & N5CFB. Please join SignalSearch as we dive into ou... Read more

Ham Radio Amplifier DIY599 PA500 OH8STN

August 21, 2021 No comments

“Hello Operators. In this episode of OH8STN Ham Radio, we are having a looking at the portable ham radio amplifier from DIY599.com the PA500. Th... Read more

How Your Radio’s Final Amp Class Affects Efficiency

January 20, 2021 No comments

An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A,... Read more

ICOM IC-705 In Full Sunlight

September 22, 2020 No comments

ICOM IC-705 In Full Sunlight Read more

New Design QYT KT-8900D Dual band Quad Display Mobile with Big LCD Screen

December 02, 2016 No comments

QYT KT-8900D Dual Band Quad-standby Colorful Screen Mini Mobile Vehicle-mounted Radio TX & RX 136-174MHz & 400-480MHz 200 Channels FM Radio Fe... Read more

VHF

‘The VHF/UHF DX Book’, 2017 Replica Edition, is now available for free download

February 07, 2017 No comments

2017 Digital Replica Edition The VHF/UHF DX Book was written in the early to mid-1990s by a team of experienced VHF/UHF DXers and equipment developers... Read more

VHF 144MHZ PREAMPLIFIER WITH 100W VOX

November 07, 2018 No comments

VHF 144MHZ PREAMPLIFIER VHF 144MHz preamplifier ( 2 meters ) with VOX circuit. You can use it with 100W. Coaxial relè on board. Perfect for EME, SAT,... Read more

ID-4100 – Icom Catalog Scan – Japanese

March 12, 2017 No comments

ID-4100 Source: Read more

Changes to the RSGB 50MHz awards

May 20, 2021 No comments

The RSGB Awards Manager has reviewed the current 50MHz awards offered by the Society and concluded that the existing 50MHz 2-Way Countries a... Read more

Yaesu FTM-300DR C4FM Dual-Band

February 25, 2020 No comments

Yaesu FTM-300DR 50W C4FM/FM 144/430MHz Dual-Band Digital Mobile Transceiver The new FTM-300DR provides stable and reliable 50W RF power output. As in... Read more

Digital Modes

RASPBERRY PI3 SDR Monitor 40m FT8/JT65/JT9 (RTL-SDR/LINRAD)

January 22, 2018 No comments

Remote Desktop screencapture of my Raspberry Pi3 monitor receiver on 40m amateurradio band with WSJTx and decoding FT8,JT65 and JT9. Receiver hardware... Read more

FT8 Roundup Contest to test WSJT-X (v2)

September 21, 2018 No comments

FT8 Contest – WSJT-X  Photo:EA2CCG “A one-hour “practice contest” will be held next week using the FT8 mode  and the ARRL RTTY... 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

Reminder: FT8 “DXpedition Mode” Test Set for March 6

March 06, 2018 No comments

The WSJT Development Group will conduct a field test of the new FT8 “DXpedition Mode” this evening, March 6 (in North American time zones). FT8 DXpedi... Read more

ZL1BPU Wins June QST Cover Plaque Award

September 11, 2015 No comments

The winner of the September 2015 QST Cover Plaque award is Murray Greenman, ZL1BPU, for his article “FSQ: Fast, Simple QSO.” The QST Cover Plaque Awar... Read more

Antenna

MonoBeam Yagi MB7 10-15-20-40

May 29, 2015 No comments

MonoBeam Yagi MB7 The MB7 10-15-20-40 is a quad band antenna for 7 MHz, 14 MHz, 21 MHz and 28 MHz with loading coil and capacitive hat for 40m only. T... Read more

An Unusual Jpole Antenna

September 23, 2020 No comments

An Unusual Jpole Antenna Read more

8 EL. DELTA LOOP 144 MHz (144DL8) – SMARTECH

December 06, 2016 No comments

  DELTA LOOP: THE ANTENNA WITH THE BEST GAIN/BOOM LENGHT RATIO SPECIFICATIONS ► Gain: 19.1 dBi 30.4 dB Boom 2.90 m ► F/B: 30.4 dB F/R ► Frequency... Read more

Cushcraft R-6000 Vertical Multiband 6,10,12,15,17,20m

March 16, 2015 No comments

Cushcraft   The Cushcraft R6000 is a 6 through 20 meter, no ground radial antenna. It includes manyof the features of the R8, R7 and R5 antennas.... Read more

The Antenna SA-680HP covers 10 through 80 meters

January 26, 2015 No comments

      The SA-680HP covers 10 through 80 meters  with supplied 6 foot whip.        • Length retracted: 39” Extended:57”     • 3 inch dia... Read more