A site for Amateur Radio Operators, by Amateur Radio Operators.





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WB7TJD Superstition Amateur Radio Club
Serving the East Valley since 1973
The Under Engineered Ham
The purpose of this blog is to help new hams and promote amateur radio
Retro SWR Project
Technical Reference/SWR Meters
Analysis, design and construction of a simple & useful SWR meter from yesteryear! Schematic diagram, pictures and instructions to build a Monimatch style SWR Meter
Top Amateur Radio Websites - Issue 2318
28 MHz Antenna Project, K1FM Mini Magnetic Loop, Portable 40m CW Transceiver , AircraftScatterSharp, 3B7M St Brandon DXPedition, HD8M Galapagos,
Elecraft K4D Sherwood tests
Radio Equipment/HF Transceivers/Elecraft K4
Collection of test reports done by Rob Sherwood on the Elecraft K4D, this version of the K4 does not have the hybrid front-end.
ARRL Audio News May 5, 2023

ARRL Audio News May 5, 2023

ARRL Helps Radio Amateurs Comply with New RF Exposure Evaluation Rules

ARRL The National Association for Amateur Radio® provides free, comprehensive resources to help radio amateurs ensure they are compliant with the new RF exposure rules.

On May 3, 2021, new FCC rules governing RF exposure evaluations went into effect. While the exposure limits were not changed, the requirement to conduct an evaluation was made more broadly applicable to amateur licensees. A 2-yea...

Antwerp Amateur Radio Club
Belgium radio club, weekly news bulletin. Regular times qrv from lightship Westhinder III.
Simple 3 band vertical antenna
The reason for making this antenna was the desire for a vertical (hence DX-ish) antenna that would cover at least 20m that would fit on my 5m fishing pole. This antenna can work on 20m 17m 15m bands and it is suitable for SOTA operations
Brazos Valley Amateur Radio Club
Houston Ham Radio Club BVARC is an amateur club located in the southwest Houston Texas area
Optimizing Coax-Cable Traps
A document that will guide you on Coaxial-Cable trap optimization process to gain on global antenna performance and on increasing effective bandwidth.
International Marconi Day: National Parks Director Makes QSO

International Marconi Day celebrates the accomplishments of radio pioneer Guglielmo Marconi on the Saturday closest to his birthday each year. Stations around the world activate a special operating event to celebrate.

On January 18, 1903, the first public two-way wireless communication occurred between the United States and Europe. A message from President Theodore Roosevelt was sent to King Edw...

Prepare for QRP Field Operations
Operating Modes/QRP
Assembling a QRP Station for Field Operation
New STEM Trailer for All Things Amateur Radio Association

The All Things Amateur Radio Association (ATARA), W8ATR, in Carroll, Ohio, revealed its new science, technology, engineering, and mathematics (STEM) trailer on Saturday, April 22, 2023, at the Rising Park's Seeds of Change Earth Day event.

The trailer, funded by a grant from the ARRL Foundation, offers visitors a hands-on STEM experience, including a CW oscillator, a display about the history of...

Elecraft K4 Reviews
Radio Equipment/HF Transceivers/Elecraft K4
Reviews for Elecraft K4 HF Amateur HF 6M VHF UHF at
2023 ARRL Field Day Gear is Now Shipping!

ARRL Field Day is June 24 - 25. Get ready for amateur radio's largest on-air operating event with official 2023 ARRL Field Day merchandise available for order now. T-shirts, hats, pins, patches, and stickers are great ways to show off your involvement in this annual event. This year's colorful design features a globe centered on North America and the words, "Tune In The World." The back of the ...

Morse Code Translator and Decoder
Software/Morse Code Decoders
Use this helpful tool to translate between Morse code and text. To begin, please enter words or Morse code in the Input box and press Translate. This online tool let you translate and encode Morse code into text and vice versa text into Morse code, allowing also to play with different wpm, the resulting translated code.
Top Amateur Radio Websites - Issue 2317
20 W HF Power Amplifier, Tri-Band VHF/UHF Antenna Design, Building The Fox-in-a-Box, Aircraft Scatter ACS, Airplane scattering, Taking a look at the 900 MHz band, Thevenin equivalent calculator,
2m and 70cm Preamp
Technical Reference/Preamplifiers
Here are some hints and tips for construction of a good preamp for satellite work.
1296 MHz Bi-Quad Antenna
Construction of a 23 cm band, 1296 MHz Bi-Quad Antenna
ARRL Audio News April 28, 2023

ARRL Audio News April 28, 2023

ARRL Advocates for Radio Amateurs as FCC Proposes Changes to 60-Meter Band

The Federal Communications Commission (FCC) is seeking comments about changing the secondary allocation available to radio amateurs on 60 meters. The FCC issued a Notice of Proposed Rulemaking (NPRM) on April 21, 2023, that deals with the band. In a prior petition, ARRL The National Association for Amateur Radio® urged protecting the existing use of the band by amateurs when adding a new alloca...

Regional Phone Service Restored at ARRL Headquarters - April 28, 2023

Update: Friday, April 28, 2023 @ 5:00 PM Eastern Time:

Phone service at ARRL Headquarters has been restored following a regional telephone service outage. Incoming and outgoing phone calls are working. Thank you for your understanding.

Friday, April 28, 2023 @ 1:00 PM Eastern Time:

A telephone service outage has been reported by a regional carrier, and is affecting phone service at ARRL Headquarte...

JD1BMH Ogasawara Isl 2023
DX Resources/DX Peditions/2023 DXpeditions
JD1BMH April 22 2023 Sat till May 5 2023 7MHz 28MHz CW, SSB, RTTY IOTA AS-031, QSL via JG7PSJ
ICOM IC 7851 Reception comparison
Radio Equipment/HF Transceivers/Icom IC-7851
Reception test comparison between IC 756 pro III, IC 7700 and the last jewel by ICOM IC 7851
Dr. Ulrich Rohde Receives IEEE Award

Dr. Ulrich Rohde, N1UL, received the 2023 Institute of Electrical and Electronics Engineers (IEEE) Communications Society Distinguished Industry Leader Award.

The award recognizes an industry executive whose leadership has resulted in major and outstanding advances and new directions in the information and communications business.

According to the IEEE, Dr. Rohde won the award "for contributions ...

Low Bands Battle Creek Antenna
This antenna is designed for 40, 80 and 160 meters to complement a tri-band beam normally taken on DX peditions for 10, 15 and 20 meters, so six bands can be worked with only two antennas.
2023 Online Ham Bootcamp

The Nashua Area Radio Society's spring 2023 online Ham Bootcamp will be held on Saturday, May 13, from 10 AM to 6 PM Eastern Time. Access to the session will be provided via Zoom.

Ham Bootcamp includes a series of demonstrations and tutorials designed to help newly licensed Technician-, General-, and Extra-class license holders get on the air. Ham Bootcamp is also a great opportunity for hams wh...

Lone Star DX Association DX Notebook
Dedicated to the fine art of DXing, The DX Notebook offers a comprehensive collection of news and other items of interest to the DX community.
Lake Area Radio Klub
Cowtown Hamfest 2011
Fort Worth, Texas Best Hamfest; Fort Worth best opportunity to learn about Ham Radio and visit with your friends, Cowtown Hamfest
KB8ZHP Portage Amateur Radio Club
Portage amateur radio club, amateur radio emergency service,ares.
160m Inverted Delta Loop
This 160 meter Delta Loop antenna is made of Hard drawn copper wire AWG 10, the two upper side are 148.5 foot each base wire is 240.9 foot, the feed point at 30.69 foot to one corner, feed with 450 Homs balanced line to an antenna tuner on the ground, then with 50 homs coax to the shack.
Annual Armed Forces Day Crossband Test

The US Department of Defense (DoD) will host this year's Armed Forces Day (AFD) Crossband Test on May 13, 2023. This annual event is open to all licensed amateur radio operators and will not impact any public or private communications. For more than 50 years, military and amateur stations have taken part in this event.

The AFD Crossband Test is a unique opportunity to test two-way communications...

20m Coil-Shortened Dipole
Antennas/20M/20 meter Dipole Antennas
Build a low-cost 20m shower rod dipole antenna


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