Ground Plane Antennas

“Ground Plane Antennas” is the topic of the new (December 20) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like!

Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, Joel Hallas, W1ZR, will discuss a broad range of technical topics. You can also e-mail your questions to doctor@arrl.org, and the Doctor may answer them in a future podcast.

Enjoy “ARRL The Doctor is In” on Apple iTunes, or by using your iPhone or iPad podcast app (just search for “ARRL The Doctor is In”). You can also listen online at Blubrry, or at Stitcher (free registration required, or browse the site as a guest) and through the free Stitcher app for iOS, Kindle, or Android devices. If you’ve never listened to a podcast before, download our beginner’s guide. 

VHF

Baofeng UV-3R+ (Camo)

November 23, 2015 No comments

Description: UV-3R+ series two-way radios are the updated styles based on UV-3R by BAO FENG, it has multi-functions, such as dual band, dual display,... 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

Yaesu FT-2980R 80W 2M FM Mobile Transceiver

September 01, 2017 No comments

Yaesu FT-2980R 80W FM 2M Mobile Transceiver As its model name suggests, the new FT-2980R arrives with the solid feature configuration and mechanical t... Read more

Kenwood TH-D74 – How to do a quick setup [ Video ]

August 30, 2016 No comments

Kenwood TH-D74 APRS & DSTAR Radio TH-D74 144 / 220 / 430 MHz Tribander APRS : Using packet-transfer communication to exchange real-time GPS positi... Read more

Digital Modes

Goodbye FT8, Hello Olivia, The Magic HF Digital Mode

October 24, 2017 No comments

“So many people have started using FT-8 on HF, but they leave all the other modes to die off, like Olivia. Olivia isn’t new, but it offers... Read more

Second Test of FT8 DXpedition Mode Set for April 7

April 03, 2018 No comments

The second public test of FT8 DXpedition Mode will take place on April 7, and all radio amateurs are invited to participate. WSJT-X Developer Joe Tayl... Read more

Ultra Portable PSK31/RTTY Digital Modem Ham Radio HF Digital Modem

July 04, 2017 No comments

Digital Modem can encode/decode BPSK31/63, RTTY, QPSK and CWmodes without PC, specially for portable digital communication。With its internal high perf... Read more

Tips for FT8 DXers

October 13, 2017 No comments

Tips for FT8 DXers Gary Hinson, ZL2IFB 1. The digital modes are being actively developed and the protocols/operating conventions are still evolving. U... Read more

Equipment

Icom IC-R9500 ( 0.005–3335MHz )

January 05, 2015 No comments

Wideband coverage The Icom IC-R9500 covers 0.005–3335MHz*1 in SSB, AM, FM, WFM, CW, FSK and P25*2modes. It is suitable for a wide variety of radio mon... Read more

TR 144 – PRO, Transverter for the 2m band

July 06, 2018 No comments

Over 25 years of experience in development of new transverter technologies led to this masterpiece of VHF technology. Implementing technological innov... Read more

DX Engineering – RXSHARE Audio Switch DXE-RXSHARE

January 17, 2019 No comments

Audio Switch, Control Box, Independent Selection of Audio from One or Two Transceivers to Two Headphones, Passive Device, Each DX Engineering RXSHARE... Read more

Adding an Amplifier to your Station [ PodCast ] – ARRL The Doctor is In

March 01, 2018 No comments

Adding an amp is not as straightforward as it sounds. There is much to consider, including AC power.  Read more