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End-Fed HF antennas are becoming increasingly popular, especially for limited space applications, but how well do they really work? In this episode, the Doctor separates myth from reality.
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VHF
The Remarkable Retevis Ailunce HD1 DMR Handheld
Ailunce HD1 Dual Band DMR Digital DCDM TDMA Waterproof Two Way Radio Description: HD1 dual band digital radio uses Digital Mobile Radio (DMR) Tier 2 S... Read more
New ! BIG TAJFUN 1000 144 MHz – 1KW
Description New robust Heatsinks – Fischer. Continuous 900W DIGI-modes. Quiet fans. TAJFUN 1000 is small, lightweight but robus LDMOS Power Ampl... Read more
Wouxun KG-879 Multifunctional wireless handheld two way radio
Wouxun KG-879 Description of Features 1. DTMF encoding and decoding 2. 105 groups DCS / 50 groups CTCSS 3. Wide /narrow bandwidth 4. Selection 5. ANI... Read more
Baofeng UV-3R+ (Camo)
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
Equipment
The MTR4b! KD1JV “Steve Weber” Designs – Produced by LNR Precision 80M/40M/30M/20M in Machined Aluminum Case!
The MTR4B 4-Band Mountain Topper KD1JV “Steve Weber” Designs – Produced by LNR Precision 80M, 40M, 30M, 20M 3-4 Watt Output at 12VDC... Read more
Palstar HF-AUTO 1800 – Automatic Antenna Tuner
The Palstar HF-AUTO 1800 watt automatic antenna tuner covers 160 to 6 Meters with a power rating of up to 1800 watts PEP. Hams have enjoyed the... Read more
Kenwood TS-990S
Kenwood TS-990S Key Features HF/50MHz Flagship Base Station 200 watts output from 50V FET Push-pull PA stage +40dBm Intercept Point RX Main RX –... Read more
COMTEK ACB-4 Hybrid Four-Square Systems
COMTEK ACB-4 Hybrid Four-Square Systems are phased array Relay Units and Control Consoles that are affordable, simple to install, and easy to use. A p... Read more
App - Mobile
Wizkers:Radio APP
Wizkers:Radio is a controller for various Amateur Radio equipments. At the moment, it supports several Elecraft radios and amplifiers, as well as the... Read more
QRZ.com App for Android now in Beta Testing
The updates to QRZ’s Android App, formerly known as QRZDroid have been released and are available to those who are interested in trying it out.... Read more
Remote Vacuum Relay Switch, RK-314
Features The RK-3xx series of switches uses vacuum relays. It is designed to switch coaxial lines in RF systems operating up to 5 kW continuous... Read more
Morse code Ringtone Generator by M1RGZ
“This page converts text into a morse code ringtone playable on most mobile phones. If your phone can play ‘polyphonic’ or ‘po... Read more
Review
Setting the Mic Gain and Compression by W6LG
“Setting the mic gain and compression can be a bit tricky. Too much compression and too much mic gain results in a distorted signal. Jim Heath W... Read more
“QRP” is the topic of the new current episode of the “ARRL The Doctor is In“ podcast. Listen…and learn!
“QRP” is the topic of the new current episode of the “ARRL The Doctor is In“ podcast. Listen…and learn! Sponsored by DX Engineering, “ARRL The D... Read more
