Author - DX Headquarters

ATU is a big fat liar

Hi NickI’m new to the hobby and looking to buy an Icom-705. I have a question:Do I need an antenna tuner for this radio? I intend to use an end fed antenna but also have a Yaesu ATAS 25 antenna that I was using with...

What is a VHF Marine radio?

A VHF Marine Radio uses Very High Frequency transmission to broadcast voice for communication between a vessel and a transceiver, which could be another boat, a handheld VHF receiver, or a station on land.VHF Radio uses 'Channels' that allow simple broadcast frequencies to be used...

Mocking FT8

Not that long ago, Joe Taylor, K1JT, a Nobel prize physicist, had created a new digital mode. The co-assistant in the project was Franke, K9AN so the mode is officially known as "Franke-Taylor design, 8-FSK modulation, FT8".In essence, the FT8 enables decoding of signals 10dB...

Are you an “accessory” ham guy?

According to my research, 70% of amateurs are only interested in the main transceiver, showing a complete disinterest in accompanying accessories. Matching desk microphones, external speakers, antenna tuners, matching amplifiers - they couldn't care less. The radio room is filled to the roof with every...

This is just so much fun

This morning, I decided to have some fun on CB. CB stands for Citizen Band - no license to transmit required!The radio of choice: a handheld ICOM IC-41PRO, 5 Watts 80 channels UHF transceiver. One for myself, one for Andrew.The plan was to see what...

W5ZG: The vintage radio collector.

On the weekend, as the 160m band was 'following' the grey line, I was called by John, W5ZG.It's always nice to make it to Midwest USA on topband.After the QSO, I went to check him out on QRZ.com.WOW. A true vintage radio collector with rooms...

It’s worth it!

Over the past couple of weeks, a number of subscribers reached out asking: how can I get an amateur radio license? Before I can answer that question directly, a bit of an intro.Amateur radio is all about wireless communications - essentially, receiving and transmitting radio...

160m band is bloody hard work!

Where do we start? An acre block? A tall tower? Countless radials? More room for beverages?And worst of all - if that wasn't enough - in the Southern Hemisphere, the top band season is summer.Welcome to the world of noise fighters, QRN aficionados and insomniacs.Commonly...

Selling the dream

In 1967, Hallicrafters released a new receiver, the SX-122A. A sophisticated piece of equipment, to be sold to a sophisticated customer. While the radio offered plenty to brag about, the advertisement appearing in radio magazines depicted a young listener, in front of a map of...

Can IC-705 be used on Green Cube satellite?

A subscriber asked. Recently he bought 705 (not from me!) and he is considering 9700.The short answer is yes. The 705 has dual USB virtual port so setting up Doppler frequency control and digital modem is the same as on 9700. However, IC-705 is only...