Stretching Antenna Bandwidths

Often on the HF bands, we find that the quoted antenna frequency bandwidth is not wide enough to cover the whole band. This can be a particular problem with multiband antennas and mobile whip antennas. Can we venture into the no-go areas of higher VSWR?

Antenna

Counterpoises and Transmission Line Mysteries

August 16, 2021 No comments

Ed, K6SDW, has a few questions for Dave. Concerning Transmission lines and Counterpoises? Watch to Learn More. Read more

DCU-3 Programmable Rotator Controller

January 10, 2015 No comments

DCU-3 Programmable Rotator Controller6 Programmable memories; Point & shoot and manual control!DCU-3 Digital Controllers feature six presets for... Read more

New InnovAntennas Quads

November 20, 2017 No comments

NEW FOR 2018! Following on from our successful LFA-Q compact quads, we are adding a more traditional looking quad to our range which boasts two of the... 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

Antenna MULTI BEAMING remote Controller by OK2ZAW & DM5XX

November 23, 2016 No comments

The MULTI BEAMING Open STACK controller by RemoteQTH.com is the black box designed to controll the stack match as the multibeaming switch. You can e... Read more

Review

MFJ-2104 Octopus Antenna, Four Dipoles of Fun!

January 08, 2019 No comments

Mix and match any four HF/VHF/UHF bands. Example: screw in 80,40,20 meter hamsticks and a dual band 2M/440 MHz whip (two on each band) on opposite sid... Read more

In-depth with In-depth with Icom’s IC-7300 TransceiverTransceiver

April 04, 2016 No comments

Icom IC-7300 Transceiver A detailed look at Icom’s Innovative IC-7300 Transceiver. Complete review of most features and operation plus yo... Read more

The best way to ground your shack!

January 22, 2020 No comments

Yeasu FTDX10 Catalog [ EN ]

December 07, 2020 No comments

Yeasu FTDX10 Read more

Elk Log Periodic 2M/440LBB, Review/Satellite Antenna

December 02, 2019 No comments

Expert Electronics MB1 Prime 2021

August 24, 2021 No comments

Expert Electronics MB1 PRIME (2021 Version) The MB1 PRIME transceiver is a game-changer, it’s a transceiver and a PC in a single package. It has... Read more

Flex Radio announces The Flex 6400 and 6600 series SDR Radios – Courtesy of Waters & Stanton

May 19, 2017 No comments

Waters & Stanton, the SDR Transceiver pioneer supplier in the UK announced today the launch of the new Flex 6400 and 6600 series radios which will... Read more

Elad FDM-S3 SDR

February 07, 2020 No comments

— WIDEBAND DIRECT SAMPLING RECEIVER —- JAN 2020 SPECIFICATIONS 2 switchable HF Antenna inputs direct sampling 1 VHF Antenna input direct s... Read more

TOKYO HY-POWER HL-1.5KFX HF/50MHz Desk Top Linear

October 31, 2015 No comments

Features: Small footprint Light weight- lightest 1kW amplifier in its class Internal power supply 2 antenna output ports 6 meter operation Automatic b... Read more