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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
Chance to win a brand new Boxchip S700A !
Network-radios.com and Boxchip created this amazing campaign! The S700A is a hybrid android radio that allows 100% coverage: via 3G/4G/LTE/WiFi/VHF or... Read more
Increase Your Two Way Radio’s Power With The Retevis RT91! 30 Watt Amplifier
This is a portable, lightweight, Wide coverage RF power amplifier for Handheld Radio equipment , proprietary and emerging waveforms. Dual mode for Dig... Read more
Vertex VXD-720
Vertex VXD-720 Clear, Quality Communications 512 Channels and 512 Groups 5 Watts VHF / 4 Watts UHF VHF: 136 – 174 MHz UHF: 403 – 470 MHz; 450 – 512 MH... Read more
Equipment
ACOM 1010 160-10m amplifier
FEATURES Easy operation. The plate-load True Resistance Indicator (TRI) is an ACOM innovation that provides quick and precise tuning, typically... Read more
1:1 Current balun Dual core 1500 watts RTTY, 5KW ICAS
1:1 dual core current balun Constructed using dual 240/31 cores. Stainless steel hardware. 1-61MHZ With dual cores you get great frequency range, equ... Read more
HAL1200 Atlantic – HF linear amplifier
HF linear amplifier Specifications Frequency : 1.8 ~ 54 MHz, all Amateur Bands including WARC Automatic Band Change: only PTT/TXGND Signal, or with de... Read more
ACOM A1200S 1.8 – 54MHz Power Amplifier
ACOM A1200S Five inch (5”) (108x65mm) high resolution color display, 800×480 pixels and 24-bits colors. The final stage uses field effect (MOSFE... Read more
App - Mobile
CWSpeed IOS App – The fun and efficient way of learning morse code
Description The fun and efficient way of learning morse code! Features: – Uses Koch’s training method (the most efficient known to date)... Read more
HamSphere 4.0 Mobile APP
HamSphere 4.0 Mobile is a virtual portable Ham Radio transceiver for Shortwave, VHF and UHF bands. Talk with thousands of Ham Radio operators around t... Read more
HF Beam Antenna Calculator for Iphone and Ipad
Antenna Calculator The Maidenhead & HF Beam Antenna is a useful utility to calculate the the Maidenhead LOCATION as well as HF Elements’ s... Read more
Morse Machine – Android APP
This program teaches you to receive Morse Machine code (CW). It starts with two letters and adds more when it sees that you are ready. This is the eas... Read more
Review
Elecraft KPA1500 Amplifier Presentation
KPA1500 solid-state amplifier won’t take over your entire desktop: it’s just 4.5 x 13.5 x 11.5”. KPA1500 solid-state amplifier won’t take over your e... Read more
From the Array Solutions Lab: OM Power 2500A amplifier Selecting Antennas and Filters
Showing how the OM-Power Automatic amplifiers like the OM-2500A, OM-4000A, can control the selection of up to ten antennas driving an antenna switch a... Read more
![Elecraft Announce K4 SDR at Hamvention 2019 [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/05/60357783_1261784310641760_5710649015670931456_n-190x122.png)
