Questions from the General Amateur Radio exam pool part 22. A simple method for Decibel power calculations. Receivers.
Antenna
Portable TW Antenna
“Preserving and building upon the legacy of this premier portable HF antenna line, DX Engineering is now the manufacturer of TW Antennas!* DX En... Read more
Three-band portable dipole antenna system
Product Description Band Hopper 3 Multiband Portable HF Dipole Antenna System NEW FOR 2015 – add a high performance balun for just £4.95! At a g... Read more
6 el 50MHz LFA-R reflectorless Yagi
Description The new LFA-R reflector-less Yagi is a step forward in Yagi design and performance. Excellent levels of gain per foot of boom from this co... Read more
Squalo antenna for 6m by PA3HCM
Introduction – Squalo antenna Adri PA0RDA, a friend of me, is trying to do some DX on 6m for a while now. His antenna position is... Read more
PST-RR55D-PRO – Ring Rotor
Ring rotor for trellis up to 52cm on the side. It can be mounted anywhere on the truss. The whole structure is made of laser-cut AISI316 stainless ste... Read more
VHF
50W Full Duty Cycle Digital Repeater – FR5200H / FR6200H IDAS VHF/UHF Digital Repeaters
FR5200H / FR6200H IDAS VHF/UHF Digital Repeaters 50W 100% Duty cycle operation Employing a high performance power amplifier, together with the solid h... Read more
New! Yaesu FTM-3200DR – 2M 65W FM/C4FM Mobile
Yaesu FTM-3200DR FTM-3200DR 144MHz 65W C4FM/FM Single Band Digital Mobile Transceiver Rugged & Compact 2m Digital Mobile with Front Speaker Radio... Read more
Compare All BaoFeng Radios
Compare All BaoFeng Radios Web Based Comparison Chart See More: Read more
DIY Satellite Antenna DU1AU
A satellite antenna can be made from 3 mm copper or aluminum elements, PVC boom, and some parts you may already have at home. To download the plan (hi... Read more
![Baofeng DM-5R : Tier II Support [ Update ]](https://qrznow.com/wp-content/uploads/2016/09/BaoFeng-DM-5R-2-190x122.jpg)
Baofeng DM-5R : Tier II Support [ Update ]
Baofeng DM-5R Radioddity has updated the DM-5R listing with this cryptic note about Tier II support: “Support DMR repeater function (DMR Tier I;... Read more
Equipment
Elecraft KX2 announced at the Dayton Hamvention 2016
Elecraft KX2 Hello to all, We are please to announce a new radio to complement the KX3 and the KX-Line. Here are the details. What: Elecraft announc... Read more
RM Italy HBF 1000 Automatic Low-Pass Filter, 1.8-55mhz, 1000W
Automatic Low-Pass Filter The HBF 1000 is a high power low pass filter, it’s designed to be used with a transceiever or amplifier to reduce the... Read more
Youkits FG-01 1-72Mhz Antenna ANALYSER
FG-01 1-72Mhz Antenna ANALYSER Assembed unit, tested and ready to use, Portable design easy to carry and operating, Comes with18650 battery pac... Read more
InnovAntennas Launch Trailer Mast Division
InnovAntennas have launched their new trailer mast division which provides budget trailer mast solutions from stock. The photo shows the first of thei... Read more
ADALM-PLUTO: A NEW $149 TX CAPABLE SDR WITH 325 – 3800 MHZ RANGE, 12-BIT ADC AND 20 MHZ BANDWIDTH
The easy to use ADALM-PLUTO active learning module (PlutoSDR) helps introduce electrical engineering students to the fundamentals of software-defined... Read more
Review
BaofengTech BTECH 50X3 Triband Mobile Radio Review and Power Testing
BTECH UV-50X3 X-Series Mobile – 50 Watt Tri Band Radio 13.8V (15 Amp) Operating Voltage Source Required – Dual Receiver Radio (Dual RF), C... Read more
NANOVNA V2 VIDEO TUTORIALS
NanoVNA V2: RTL-SDR.com FM Bandstop Filter Measurements via NanoVNA QT Read more
