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Helical Filter for Satellite Reception
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Helical Filter for Satellite Reception

This page details the design and construction of a helical filter for 144 MHz satellite reception, specifically to mitigate strong local interference. The author, VE3NEA, experienced severe...

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DX Event Calendar

DX EVENTS – ON THE AIR NOW

DXpedition & DX Operations
EventStartEndDXCC Entity
VK0TBC Antarctica01 Feb 202631 Dec 2026CE9 Antarctica
HF0PAS South Shetland Islands01 May 202631 Oct 2026VP8/h South Shetland Islands
VK9WX Willis Island22 Jul 202630 Nov 2026VK9W Willis Island
VK0DS Antarctica31 Jul 202607 Sep 2026CE9 Antarctica
RI1FJL Franz Josef Land15 Aug 202629 Aug 2026R1FJ Franz Josef Land
WB2OIL/VY0 Canada16 Aug 202601 Sep 2026VE Canada
EA8/IZ1GDB Canary Is18 Aug 202629 Aug 2026EA8 Canary Is
RI8KR Obskaya Gulf islands21 Aug 202628 Aug 2026UA European Russia
VY0ZOO Canada23 Aug 202622 Sep 2026VE Canada
V47JA St Kitts and Nevis24 Aug 202631 Aug 2026V4 St Kitts and Nevis
FR/ZS6AJG Reunion25 Aug 202627 Aug 2026FR Reunion Island
V51WH Namibia25 Aug 202610 Oct 2026V5 Namibia
V5/HB9BFM Namibia26 Aug 202620 Sep 2026V5 Namibia

Upcoming Major Contests

EventStartEnd
World Wide Digi DX ContestSat 29 Aug, 12:00 UTCSun 30 Aug, 11:59 UTC
YO DX HF ContestSat 29 Aug, 12:00 UTCSun 30 Aug, 11:59 UTC
ARRL September VHF ContestSat 12 Sep, 18:00 UTCMon 14 Sep, 03:00 UTC
CQ WW DX Contest, RTTYSat 26 Sep, 00:00 UTCSun 27 Sep, 23:59 UTC
View all →

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Featured Ham Radio Products

Ham Radio Transceivers

ICOM IC-7200

The ICOM IC7200 is a robust amateur radio trasceiver for HF plus six meters band
Products

Yaesu FT-891

The Yaesu FT-891 is a compact 100W transceiver praised for its portability, excellent receiver performance, and affordability, making it ideal for mobile operations. However, users criticize its menu-driven interface, lack of internal antenna tuner, and basic display features. Overall, it caters well to budget-conscious operators focused on portability.
Ham Radio Transceivers

Yaesu FT-4XR / FT-4XE VHF/UHF HT

Yaesu FT-4X 5W VHF / UHF Handheld Transceiver at a very affordable price
Ham Radio Transceivers

ICOM IC-7300 Brochure

ICOM IC-7300 The Innovative HF Transceiver with High Performance Real-Time Spectrum Scope - English Brochure
Ham Radio Transceivers

Icom IC-2730

IC-2730 VHF/UHF Dual band mobile transceiver, featuring two simultaneous receivers and cross band repeater.
Ham Radio Transceivers

Yaesu FT-991

The FT-991 is the next generation in all mode, all band MF/HF/VHF/UHF transceiver with C4FM

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Ham Radio Transceivers

Anytone AT-778UV FM Dual Band Transceiver

The Anytone AT-778UV is a popular dual-band FM transceiver known for its affordability and solid features. Operating on VHF (144-148 MHz) and UHF (440-450 MHz) bands, it offers selectable power outputs of 25W, 15W, or 5W. Its bright 180-degree TFT LCD display and intuitive interface enhance usability in various settings. While it delivers good audio quality and a robust build, it lacks a dedicated volume knob and may heat up during extended use. Overall, it's an excellent entry-level choice for amateur radio enthusiasts.

From DXCC Challenges to Antennas and Coax: A Deep Dive into 50 MHz Antenna Analysis

HBR-MK2 HF QRP CW/SSB Transceiver

Antennas

Antennas

The G3LZR Tribander : The charm of the Impossible Antenna

In the era of modern amateur radio, dominated by antenna modeling programs and mammoth dynamic beams, there is a gem from the past that...

The Truth about the G5RV Antenna

Articles

The true story of Yagi Antenna

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Morse Code

Morse Code

The Art of Telegraphy: Learning Morse Code with a Practice Oscillator

The importance of having a Morse practice oscillator for those who want to learn Morse code. Options for buying or building one.

How to Learn Morse Code for Beginners

Beginner's Guides

Amateur Radio News Feeds

RSGB Board Chair changes as part of planned transition
[RSGB] - Monday August 24 2026
The RSGB Board is pleased to announce that, following its meeting on 22 August 2026, Graham Smith, G4NMD has been appointed Chair of the Board. This appointment forms part of a planned and orderly leadership transition agreed by the Board. Stewart Bryant, G3YSX, who has served as Chair since 2023 with distinction, fully supports the […]
Provisional Results 70 MHz CW/SSB Contest
[IARU R1] - Sunday August 23 2026
The provisional results of the 70 MHz CW/SSB Contest are available on the IARU R1 VHF+ Contest Robot:  We evaluated 48 different logs coming from 14 different countries.The winner in the Single Op. category is HA8MV with 32 QSOs and …
Provisional Results 50 MHz CW/SSB Contest
[IARU R1] - Sunday August 23 2026
The provisional results of the 50 MHz CW/SSB Contest are available on the IARU R1 VHF+ Contest Robot:  We evaluated 525 different logs coming from 38 different countries.The winner in the Single Op. category is ED5R with 735 QSOs and …
View the action-packed RSGB Convention programme
[RSGB] - Friday August 21 2026
The RSGB has released the full draft programme for its Convention, which takes place 9–11 October at Kents Hill Park Conference Centre in Milton Keynes. The programme includes details of the inspiring lectures that have been lined up for your enjoyment. They have been organised into three engaging streams: Learn, Connect and Inspire. You’ll also […]
Find out more about Experimenters’ Corner at Hamfest
[RSGB] - Friday August 21 2026
Do you enjoy amateur radio construction? Or perhaps you enjoy trying out new and emerging technology? Each month RSGB Board Director Mark Jones, G0MGX writes a column called ‘Experimenters’ Corner’ for RadCom, which focuses on a new aspect of experimenting within amateur radio. He has also been giving a brief introduction to each column in […]
The RSGB continues to support young radio amateurs
[RSGB] - Friday August 21 2026
The Youngsters On the Air Summer Camp 2026 took place in Wagrain, Austria earlier this month. If you missed out on the daily updates sent by the team of young radio amateurs who represented the RSGB, the daily blogs, photos and some fantastic sketches will remain on the Society’s website to view in your own […]
The RSGB continues to support young radio amateurs
[RSGB] - Friday August 21 2026
The Youngsters On the Air Summer Camp 2026 took place in Wagrain, Austria earlier this month. If you missed out on the daily updates sent by the team of young radio amateurs who represented the RSGB, the daily blogs, photos and some fantastic sketches will remain on the Society’s website to view in your own […]
Entrepreneur and Amateur Radio Operator Invests in the Next Generation of Problem Solvers
[ARRL] - Friday August 21 2026
ARRL The National Association for Amateur Radio® announced today a historic and transformational $1 million gift from Dr. James M. Galm, W8WTS. An entrepreneur and amateur radio operator who spent his career solving complex energy and engineering challenges, Galm is now investing in the next generation of problem solvers through his support of ARRL.The gift will directly support ARRL programs a...
Colombian Amateur Radio League frees up emergency frequencies
[IARU R1] - Thursday August 20 2026
This weekend, following 124 hours of uninterrupted operation by the Colombian Amateur Radio League (LCR) National Emergency Network, the emergency frequencies used by Colombian radio amateurs —deployed in response to the earthquake that shook much of the country on August …
Kopernik Observatory Seeks Amateur Radio Operators to Track August 19 Balloon Flight
[ARRL] - Tuesday August 18 2026
Amateur radio operators in western New York and other northeastern states have an opportunity to help track an educational balloon. Drew Deskur, KA1M, Director of the Kopernik Observatory, a public observatory and informal STEM education center in Vestal, New York, said the balloon was expected to be launched August 19 at 10 AM Eastern (1400 UTC) with Automatic Packet Reporting System (ARPS) an...

Weekly Report

Best Links of the Week

Top Amateur Radio Websites – Issue 2629

This week, we've pulled together a few items that touch on practical build projects and some useful theory. There's a look at constructing a simple, yet effective, multiband antenna for portable operations, something that comes up often for POTA activators. We also have a detailed build log for an automatic antenna tuner, which can be a real asset for those experimenting with various wire configurations. For the Icom IC-7300 owners, there are a couple of interesting modifications: one addresses a common complaint about fan noise, and another explores a custom microphone setup for improved audio. Finally, we revisit some fundamental principles regarding ferrites and coils, offering practical rules of thumb for RF projects, particularly useful for HF applications. It’s a mix of hands-on work and foundational knowledge, all aimed at enhancing the operating experience.

Top Amateur Radio Websites – Issue 2628

Top Amateur Radio Websites – Issue 2627

Top Amateur Radio Websites – Issue 2626

Top Amateur Radio Websites – Issue 2625

Top Amateur Radio Websites – Issue 2624

Top Amateur Radio Websites – Issue 2623

Top Amateur Radio Websites – Issue 2622

Top Amateur Radio Websites – Issue 2621

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