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ANTIQUE RADIOS
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RFNM Motherboards
Manufacturer of SDR Motherboards LA9310, Si5510, i.MX8MP, 4GB LPDDR4. The RFNM motherboard is a new concept, so it's worth taking a few seconds to ...
Coax Velocity Factor in Baluns
This article explores the role of velocity factor (VF) in calculating stub lengths for VHF/UHF Baluns. It clarifies misconceptions about VF's ...
Building a Multiband Vertical Wire Antenna
This article presents a comprehensive guide to constructing a multiband vertical wire antenna. The design features parallel wires for various bands, ...
Reviving the 3 Transistor Short Wave Radio
This article explores the revival of the classic 3 Transistor Short Wave Radio kit originally offered by Radio Shack in the late 1960s. Updated with ...
Comparative Testing of DIY and Commercial Antennas for ADS-B Reception
This project focuses on testing and comparing various antennas for receiving ADS-B (Automatic Dependent Surveillance-Broadcast) signals, utilizing ...
The RDF 10 seconds unfold Yagi
The RDF 10 second fold-out Yagi especially for fox hunting. have more fun stuff on this page. ...
Fort Purbrook Amateur Radio Club
With the reputation of being the most active amateur radio club in Hampshire, we support enthusiasts, experienced and new, with monthly meetings and ...
Filter Free
Filter Free is the shareware version of Filter Solutions and Filter Light. Filter Free is limited to 3rd order or lower low and high pass filters, ...
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Amateur Radio News Feeds
[ARRL] - Wednesday November 20 2024
Dear Member, At the 2024 ARRL Annual Meeting held in January, the Board of Directors unanimously voted to approve the establishment of a committee to assure the existence of a set of ethical standards and guidelines for Board Members as called for in ARRL By-Law 42. In addition, the committee was tasked to review By-Laws 42 (Ethics and Elections Committee) and 46 (Conflict of Interest Policy) f...
[IARU R1] - Saturday November 16 2024
Recently news post on the IARU-R1 website and email have informed about the new generation of the noise measuring receiver ENAMS 2.0 (developed by DARC) within the IARU-R1 Noise Measuring Campaign (NMC). In order to spread information and to allow …
[ARRL] - Friday November 15 2024
The ARRL Teachers Institute on Wireless Technology is growing next year, and a number of social media stars are coming together to help it happen. On Saturday, November 30, a live fundraiser telethon is set to take place on the Ham Radio Crash Course YouTube channel. Host Josh Nass, KI6NAZ, will be joined by several web-famous hams to talk radio and raise money. The proceeds benefit the ARRL Ed...
[ARRL] - Friday November 15 2024
ARRL® The National Association for Amateur Radio® announces the results of the 2024 ARRL Division elections.In the ARRL New England Division, Tom Frenaye, K1KI (1,593 votes), of West Suffeld, Connecticut, was declared the winner, defeating current Director Fred Kemmerer, AB1OC (1,452 votes).Frenaye has previously served on the ARRL Board of Directors in several capacities, including as Director...
[ARRL] - Friday November 15 2024
The National Conference of Volunteer Examiner Coordinators (NCVEC) Question Pool Committee (QPC) has removed one Extra Class pool question and one General Class pool question from use. Both Extra pool question E2A13 and General pool question G8C01 have been deleted from use on examinations as the two questions each have more than one correct answer. The deleted questions must be removed from ex...
[ARRL] - Friday November 15 2024
[ARRL] - Friday November 15 2024
Only five new sunspot groups emerged this week. First was onNovember 7, next on November 9, two more on November 11, and anotheron November 13.Average daily sunspot number declined from 193.4 to 141.6, whileaverage daily solar flux went from 248.4 to 203.7.Predicted solar flux is 145 on November 15-16, 155 on November17-18, then 145 on November 19, 140 November 20-21, then 235, 240,255 and 260 ...
[RSGB] - Friday November 15 2024
The RSGB is keen to promote practical events for radio amateurs as a way of developing their skills and retaining their interest in amateur radio. The Society has also demonstrated that buildathons are a great way of engaging new audiences, giving people a taste of amateur radio in a fun and supportive environment. As part […]
[RSGB] - Friday November 15 2024
The RSGB is keen to promote practical events for radio amateurs as a way of developing their skills and retaining their interest in amateur radio. The Society has also demonstrated that buildathons are a great way of engaging new audiences, giving people a taste of amateur radio in a fun and supportive environment. As part […]
[RSGB] - Friday November 15 2024
The RSGB Awards Manager has announced that, with the support of the Board, he has added new categories of achievement to the IARU Region 1 Award. These include WARC bands only, 10MHz only, 18MHz only and 24MHz only. The standard IARU Region 1 Award check spreadsheet should continue to be used for these categories. However, […]