N0KC Wins the January 2017 QST Cover Plaque Award
The winning article for the January 2017 QST Cover Plaque award is “A Small, Lightweight Switch-Mode Power Supply” by Ralph J. Crumrine, N0KC. The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast a ballot for your favorite article in the February issue today.
A World Radiocommunication Conference 2023 (WRC-23) agenda item proposing to study a range of frequencies, including potentially reassigning 144 – 146... Read more
These devices, MRF101AN and MRF101BN, are designed for use in HF and VHF communications, industrial, scientific and medical (ISM) and broadcast and ae... Read more
New region 2743 formed at middle latitude during the past 24 hours and ends the latest spotless streak at just over a month. Do not expect any notewor... Read more
The AR-152A is updated CS tactical antenna ,with more flexing and better signal Description: 1. All of our items are brand new. 2. Model: AR-152A 3. C... Read more
3EL GXP 40 @ 137’ 16L tribanders @ 125/90/55 Read more
16-year-old radio amateur Julián Fernández EA4HCD was interviewed by the newspaper El Mundo Chronicle about his FossaSat-1PocketQube satellite. A Goog... Read more
Frequency coverage (MHz) Rx 0.100 – 72.000 Tx 1.800-2.0007.000-7.200 18.068-18.168 28.000-30.000 3.500-3.80010.100-10.150 21.000-21.450 50.000-52.000... Read more
SunSDR2 DX Improvements and New Features 100 watt transmit power on HF bands New ATU connector for future antenna tuner option High pass filter for VH... Read more
IARU was represented at the meeting of CEPT Project Team A (responsible for some aspects of the CEPT position for WRC-19), held in Prague from June 17... Read more
The quiet sun continues, with still another week passing with zero sunspots. For 33 days in a row, no sunspot activity, as of Thursday, June 20. So fa... Read more
Recent Posts
No Strong Opposition to 144 – 146 MHz Reallocation Proposal at CEPT Meeting
MRF101AN: 100 W CW over 1.8-250 MHz, 50 V Wideband RF Power LDMOS Transistor
Hey look! A sunspot!
The Most TactiCool BaoFeng Antenna Ever!
W1/Lubec – Remote Ham Radio
16-year-old ham radio satellite builder in the press
OMEGA- Portable radio
![Introducing the new SunSDR2 DX transceiver [ VIDEO ] Friesrichshafen](https://qrznow.com/wp-content/uploads/2019/06/SUNSDR-1-190x122.jpg)
Introducing the new SunSDR2 DX transceiver [ VIDEO ] Friesrichshafen
144 and 1240 MHz bands – WRC-23 Agenda Items – Update
The K7RA Solar Update
A World Radiocommunication Conference 2023 (WRC-23) agenda item proposing to study a range of frequencies, including potentially reassigning 144 – 146... Read more
These devices, MRF101AN and MRF101BN, are designed for use in HF and VHF communications, industrial, scientific and medical (ISM) and broadcast and ae... Read more
New region 2743 formed at middle latitude during the past 24 hours and ends the latest spotless streak at just over a month. Do not expect any notewor... Read more
The AR-152A is updated CS tactical antenna ,with more flexing and better signal Description: 1. All of our items are brand new. 2. Model: AR-152A 3. C... Read more
3EL GXP 40 @ 137’ 16L tribanders @ 125/90/55 Read more
16-year-old radio amateur Julián Fernández EA4HCD was interviewed by the newspaper El Mundo Chronicle about his FossaSat-1PocketQube satellite. A Goog... Read more
Frequency coverage (MHz) Rx 0.100 – 72.000 Tx 1.800-2.0007.000-7.200 18.068-18.168 28.000-30.000 3.500-3.80010.100-10.150 21.000-21.450 50.000-52.000... Read more
SunSDR2 DX Improvements and New Features 100 watt transmit power on HF bands New ATU connector for future antenna tuner option High pass filter for VH... Read more
IARU was represented at the meeting of CEPT Project Team A (responsible for some aspects of the CEPT position for WRC-19), held in Prague from June 17... Read more
The quiet sun continues, with still another week passing with zero sunspots. For 33 days in a row, no sunspot activity, as of Thursday, June 20. So fa... Read more
Recent Posts
No Strong Opposition to 144 – 146 MHz Reallocation Proposal at CEPT Meeting
MRF101AN: 100 W CW over 1.8-250 MHz, 50 V Wideband RF Power LDMOS Transistor
Hey look! A sunspot!
The Most TactiCool BaoFeng Antenna Ever!
W1/Lubec – Remote Ham Radio
16-year-old ham radio satellite builder in the press
OMEGA- Portable radio
Introducing the new SunSDR2 DX transceiver [ VIDEO ] Friesrichshafen
144 and 1240 MHz bands – WRC-23 Agenda Items – Update
The K7RA Solar Update
