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Review
Noise reduction in your shack – RFI
Also read This Common-Mode Chokes by Chuck Counselman, W1HIS is well worth reading. Read more
LimeSDR Mini – Full Duplex SDR Transceiver – DATV – QO100 – Es Hail 2
The LimeSDR Mini development board is a hardware platform for developing and prototyping high-performance and logic-intensive digital and RF designs t... Read more
Eliminate Interference with the MFJ-1026 Noise Canceller
Wipe out noise and interference before it gets into your receiver with a 60 dB null! Eliminate all types of noise — severe power line noise from... Read more
NanoVNA To Test The Loss & Length Of Coax Cables by Jim W6LG YouTube Elmer for Ham Radio Basics
“The NanoVNA does many things. Two of which are testing coax cables for loss and length. Jim W6LG shows how to do both in this first video about... Read more
Radio Receiver Sensitivity
The sensitivity of a radio receiver is a key operational parameter and it is limited by the system noise. The sensitivity of a radio receiver determin... Read more
News
SAQ Alexanderson Alternator 2019 Christmas Eve Transmission Heard by More than 400 Listeners
The Alexanderson alternator 2019 Christmas Eve transmission on 17.2 kHz from SAQ in Grimeton, Sweden, was heard by more than 400 listeners. SAQ report... Read more
High Speed Telegraphy Competitions Set
The 17th International Amateur Radio Union (IARU) High Speed Telegraphy (HST) World Championship will take place August 20 – 24 in Ulaanbaatar, Mongol... Read more
ARRL’s newest podcast!
ARRL’s newest podcast! The first issue of On the Air magazine has been released and Becky Schoenfeld, W1BXY, provides an overview of what’... Read more
Sounds of the Solar Wind from NASA’s Parker Solar Probe
“There’s a wind that emanates from the Sun. It blows not like a soft whistle but like a hurricane’s scream. Made of electrons, protons and heavi... Read more
AM Rally 2020 Gets Under Way on February 1
The fourth annual AM Rally operating event will take place February 1 – 3 (UTC). The annual AM Rally encourages all operators to explore amateur radio... Read more
YOTA Month Reported a Success in the Americas
For several years now, Youngsters on the Air (YOTA) has sponsored YOTA Month each December, primarily involving young radio amateurs in Europe and Afr... Read more
WRTC 2022 Donor Certificate
The WRTC 2022 committee has been finalized several activity in the last months, and now we have a pleasure to announce, our new Donor Certificate prog... Read more
Puerto Rico Earthquake Relief Effort Continues, with Help from Ham Radio
In Puerto Rico, Amateur Radio Emergency Service (ARES) volunteers continue to operate from the American Red Cross distribution center in Yauco — one o... Read more
ARRL On the Air Podcast Premieres on January 16
ARRL’s new On the Air podcast for those just getting started on their amateur radio journey, will debut this Thursday, January 16, with a new podcast... Read more
Germany Special Event Recognizes Anniversary of SDR Development
The Deutscher Amateur Radio Club (DARC) this year is honoring 35 years of software-defined radio (SDR) technology with special call sign and special D... Read more
VHF
432 MHz world tropo record extended even further to 4,644 kms
” On Saturday the 28th of December 2019, Ian GM3SEK in the south-west of Scotland managed to work D41CV on 432 MHz to set a new world record fo... Read more
New 60 MHz Beacon Now on the Air from Ireland
The first — and so far only — beacon on 60 MHz went on the air on December 16. The call sign is EI1KNH. In early 2018, the 60 MHz (5-meter) band was a... Read more
Retevis DMR Dual Band GPS radio RT72
Retevis RT72 Digital Dual band 4000 channels Two Way Radio ham radio amateur radio GPS Description & Feature: Broadband digital two way radio RT72... Read more
![VHF / UHF Propagation [ ARRL The Doctor is In PodCast ]](https://qrznow.com/wp-content/uploads/2019/12/EFFOxd3XkAEqpMx-265x168.jpg)
New release of portable transceiver IC-705 that covers all modes including DV (digital voice) from HF to 430MHz band .
IC-705 Product name / model name Amateur Radio HF / 50/144 / 430MHz <SSB / CW / RTTY / AM / FM / DV> IC-705 Suggested retail price 124,800 yen +... Read more
Recent 3000km+ opening on 144 MHz between New Zealand and Australia reported
On the 1st of December 2019, there was an extensive Sporadic-E opening on 144 MHz in the south-eastern part of Australia. While this allowed contacts... Read more
RADIODDITY GA-510 | 10W | DUAL BAND | TRI-POWER | ANALOG RADIO | 2 BATTERIES
➤ UP TO 8 MILES RANGE: A further and more impressive communication range comes from the 10W high power feature. The Radioddity GA-510 can be set in 3... Read more
50MHZ PREAMPLIFIER WITH FM NOTCH FILTER
A 50 – 54 MHz ( 6 meter ) HF preamplifier with innovative design. Input notch filter for FM frequency 88- 108 MHz. Noise figure of 0,5db. Perfec... Read more
WRC-19 Day-19: 50 MHz Approved!
WRC-19 has approved an allocation in the 50 MHz band for amateurs in Region 1 at its morning plenary in Sharm El-Sheikh, Egypt, on Thursday 21 Novembe... Read more
Antenna
Solid Delta loop for 20m band
Delta loop Antenna Boom length: about 7m, projection on the ground 4m per arm Mounts on mast from 40 to 50mm, 60mm optional. suggested height at least... Read more
6M-F Magnetic Loop
A 50~54 mHz high performance, CNC manufactured, all aluminum magnetic loop antenna. At only 18 inches, and 1½ pounds, it’s an excellent choice for re... Read more
3 Element Yagi Antenna with 30/40 Loop Dipole Adder – SteppIR
16 ft boom; Includes Controller The 3 element Yagi is the original Steppir antenna. Using our proven technology it gives continuous frequency coverage... Read more
UHF VHF Antenna 08-ANT-0861
UHF VHF antenna 08-ANT-0861 has a 25MHz – 6GHz frequency range. This HAM radio base station antenna and two way radio antenna is for land mobile radio... Read more
Inflatable Air Antennas Available from 8th January 2020
Ham AIR Antenna A professionally made, robust, fully portable & waterproof inflatable antenna, for Ham Bands, A 144-148Mhz Version, , Perfect for... Read more
NEW PRODUCT – CHA SPIDER ASB
The CHA SPIDER ASB is an octagon-shaped Antenna Spoke Base designed to allow mounting of four dipole antennas that use the standard 3/8” x 24 stud ant... Read more
W6NBC Wins December QST Cover Plaque Award
The winning article for the December 2019 QST Cover Plaque award is “Slot Cube Antenna for 6 Meters” by John Portune, W6NBC. The QST Cover Plaque Awar... Read more
90’ MAGNETIC LOOP T3FD TERMINATED FOLDED DIPOLE ANTENNA
T3FD TERMINATED FOLDED DIPOLE AMATEUR RADIO ANTENNA KIT DESIGNED TO WORK AT ONLY 35 FEET ELEVATION FLAT OR AS A SLOPER. BRAND NEW. THIS ANTENNA IS ASS... Read more
