VHF
Alinco DJ-MD5T VHF/UHF 5W DMR HT
Alinco DJ-MD5T VHF/UHF 5W DMR DUal Mode Tier I/II HT Features: DMR Tier I and Tier II 1.77 inch TFT color LCD VFO/MR Switch Output Power Selection (5W... Read more
Icom IC-DPR100
Icom IC-DPR100-vehicle type digital simple radio of easy-to-use high output 5W only registration process. Advanced operability, new IC-DPR100 with onb... Read more
TYT TH-9000D – VHF
The TYT TH-9000 is the Amateur compliant transceiver, with commercial grade features. This radio can be used on the BC Forest Logging Roads, and can... Read more
ID-4100 – Icom Catalog Scan – Japanese
ID-4100 Source: Read more
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
Review
Output Power vs. S-Units
“This is one of the most important concepts in ham radio… the relationship between transmitted power and received signal strength. Sadly,... Read more
SWR , How To Measure And Is it Important
SWR W6LG, Jim, shows the loss in RG8X in a simple demonstration without using Algebra and Smith Charts. Read more
Icom ID-4100 D-Star – Review
Since the introduction of D-STAR in 2001, Icom has been committed to improving and advancing the D-STAR experience. The ID-4100A and it’s advance tech... Read more
Equipment
How to build a Simplified Arduino CW Trainer by Tom N4TL
The winning article for the September 2016 QST Cover Plaque award is “Arduino CW Trainer” by Tom Lewis, N4TL. The QST Cover Plaque Award — given... Read more
ELAD SPF-08 HF PRESELECTOR
Switchable Preselector Filter Board for FDM SDRs ELAD SPF-08 is switchable pre-selector board that allows selection between 8 configurable filters. Us... Read more
NEW LNA + FILTER FOR RADIO ASTRONOMY HYDROGEN LINE OBSERVATIONS RELEASED BY NOOELEC
NooElec have recently released a new LNA + filter combo called the “SAWbird+ H1 Barebones” which significantly lowers the entry bar for ne... Read more
ICOM IC-7610 – Pre-release Brochure
ICOM IC-7610 The SDR Everyone Wants! Receivers Independent direct sampling receivers capable of receiving two bands/two modes simultaneously. DIGI-SEL... Read more
LDG RT-100 Remote Tuner
RT-100 LDG has announced the RT-100. The RT-100 is a 100 watt coax in / coax out remote tuner designed to be placed near the feedpoint of the antenna.... Read more
2050 Advanced HF Transceiver
The Barrett 2050 HF transceiver In addition to providing all common modes of HF transmission, most currently used selective call formats and MIL STD 1... Read more
Antenna
Which Antenna is Better? by Richard N4PBQ
“Real world antenna comparisons I don’t have many choices for my antenna at my residential QTH. I have an80m OCF Dipole (aka Windom) hung... Read more
Magnetic Loop Antennas – ARRL The Doctor Will See You Now!
“Magnetic Loops” is the topic of the latest (July 28) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engineer... Read more
Building the Moxon Antenna
Building the Moxon Antenna is fairly easy and lends itself to imagination. No two Moxon’s are identical save the dimensions of the elements... Read more
Antenna MULTI BEAMING remote Controller by OK2ZAW & DM5XX
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
A Poor Man Antenna Analyzer by GM3VLB
A Poor Man Antenna Analyzer by André Saunders, GM3VLB – Read .pdf File in adobe reader Link 1 or Link 2 Also Visit: http://www.gm3vlb.com/... Read more
Wire log periodic HF antennas – LP 1530-W
See More :http://www.antenna.it/index.htm Read more