Sailing Vessel with Ham Radio History Marks 100 Years
The schooner Bowdoin is a century old this year. Now owned by the Maine Maritime Academy (MMA) as a training vessel, the ham radio history of the 88-foot (LOA) Bowdoin is often neglected. Constructed in Maine specifically for Arctic exploration, the vessel relied on amateur radio for communication during explorer Donald B. MacMillan’s Arctic Expedition of 1923 and on the MacMillan-McDonald-Byrd...
SAQ Reports “an Incredible Number” of Listeners for July 4 Transmissions
100W UHF Linear Amplifier
Technical Reference/Amplifiers/UHF Amplifiers
This page details my building of a 100 Watt Power Amplifier for the 432 MHz Band based on two Motorola MRF646 transistors taking inspiration by Carlo Gnaccarini VK3PY, formerly VK3BRZ
YL in Uganda
YL Elvira, IV3FSG, will be active as 5X3R from Uganda between now and September 2nd
Special event callsign for Malaysia Independence Day 2021
9M64MJ is special event callsign for Malaysia Independence Day 2021 (Johor State). This program is conjunction with Malaysian 64th Independence Day Celebration
Stations without permission in Costa Rica
Since 2019, a group of radio amateurs from Costa Rica have put online a consultation website for all radio amateurs in the country and the world, so that they can verify the legal conditions of the operators with whom they communicate
NASA seeks student tech ideas for suborbital launch
NASA is calling on all sixth through 12th-grade educators and students to submit experiments for possible suborbital flights as a way of gaining firsthand experience with the design and testing process used by NASA researchers
ARISS contact is scheduled for students at Carl Fuhlrott-Gymnasium, Wuppertal, Germany
This will be a direct contact via amateur radio between students at the Carl Fuhlrott-Gymnasium, and Astronaut Akihiko Hoshide, amateur radio call sign KE5DNI.
OMIK President Cliff Peoples KE8QR SK
ARRL reports the president of OMIK Amateur Radio Association, Cliff Peoples, KE8QR, of Clayton, Ohio, died on August 5
The History of Single Sideband
Single sideband modulation revolutionized electronic communication, but where did the idea come from?
ILLW 2021 this weekend
The 24th International Lighthouse Lightship Weekend (ILLW) will takes place between 0001z, August 21st and 2400z, August 22nd
RSGB resumes members' free entry voucher for Bletchley Park
The RSGB is delighted that it can now resume its RSGB Members’ free entry voucher for Bletchley Park, which also gives entry to the RSGB National Radio Centre
Hurricane Watch Net Plans Two Activations as Grace Reaches Hurricane Status
The Hurricane Watch Net (HWN) plans to activate today (Wednesday, August 18) and Friday as Grace attains Category 1 hurricane status. Air Force Reserve and NOAA hurricane hunter aircraft determined that Grace became a hurricane just west of Grand Cayman Island. As of 1100 UTC, Grace was 65 miles west of Grand Cayman and 350 miles east of Tulum, Mexico, with maximum sustained winds of 75 MPH. The...
Dummy Load Construction
Technical Reference/Dummy Loads
This will document a custom version of the K4EAA Dummy load done using 20 1K ohm 3 Watt Resistors, Piece of brass sheet, a quart paint can and a BNC connector
Coolest Raspberry Pi amateur radio projects in 2021
Hands down, the Raspberry Pi is an amazing open-source device. Technology hobbyists implement it in many projects from sending instant messages to making retro video games. Now, it’s being used for projects for a hobby that may be unfamiliar to some: amateur (ham) radio
Spiffy summer project sources solar sounds from scraps
[Gijs Gieskes] has a long history of producing electronic art and sound contraptions, and his Zonneliedjes (sunsongs) project is certainly an entertaining perpetuation of his sonic creations
Perseid meteor outburst
28 years ago, the Perseid meteor shower killed a satellite
HFDXARC at Spurn Point for ILLW
Humber Fortress DX Amateur Radio Club, will be on the air this weekend for ILLW, from Spun Point, East Yorkshire,UK
Antarctica: DP0GVN antenna destroyed, rebuild planned for 2022
AMSAT-DL reports the antenna used by DP0GVN in Antarctica for the QO-100 geostationary satellite amateur radio transponder is completely destroyed
ACMA assessment of amateur radio regulation
In response to a number of representations made by radio amateurs, Australia's communications regulator, the ACMA, undertook an assessment of their regulation of amateur radio
Radio Club of Haiti President Reports Significant Structural Damage from Earthquake
In the immediate aftermath of the magnitude 7.2 earthquake on August 14, Radio Club of Haiti President Jean-Robert Gaillard, HH2JR, reported significant structural damage in the region. At this time, it is not known if amateur radio volunteers have been part of the recovery. A request has been posted to keep primary International Amateur Radio Union (IARU) Region 2 emergency frequencies clear. ...
Hurricane Watch Net Ramps Up Alert Level for Tropical Storm Grace
The Hurricane Watch Net (HWN) is keeping a close eye on Tropical Storm Grace and has bumped up to Level 3, “Standby Alert.” The net designation indicates that a tropical cyclone has become, or is forecast to become, a hurricane and threaten land within the HWN area of interest within the next 48 hours. The net will announce activation plans on its website. The HWN operates on 14.325 MHz during ...
G1MFG FlyDog Kiwi SDR
Internet and Radio/WebSDR
Online receiver powered by Kiwi SDR based in Bedford, UK
6 metre repeater in the Western Cape now permanently on
The Western Cape Repeater Working Group has installed a 6 metre link to the 145,650 MHz repeater at Du Toits Kloof Mountain above Paarl. The site is 1 310 meters above sea-level. The link is now permanently on 51,550 FM simplex
International Lighthouse Weekend
The third full weekend of August has become the regular date for the International Weekend for Lighthouses. Countries all over the world have become involved in lighthouse activations on HF
U.S. postal rates going up
On May 28th, the U.S. Postal Service (USPS) announced that they will increase 'Postal Rates' starting August 29th
Guide to using FT4 on ham radio satellites
AMSAT-SM have published a guide for using the popular digital mode FT4 via the amateur radio satellites using SDR-Console software, a SDR receiver and the Icom IC-705 as transmitter
ICQPodcast - Questions, Answers and Tips
In this episode, Colin Butler (M6BOY) is joined by Leslie Butterfield G0CIB, Edmund Spicer M0MNG and Martin Butler (M1MRB) to discuss the latest Amateur / Ham Radio news. Colin (M6BOY) rounds up the news in brief and in the episode, we feature Questions, Answers and Tips
Surplus syringes used in ham radio tuner
Hackaday reports on the project by Tom Essenpreis KB9ENS which uses a 60ml syringe to make a variable inductor and a variable capacitor for amateur radio use
FCC application charge unlikely to be introduced until 2022
The FCC is planning to charge radio amateurs $35 whenever they apply for a licence, renew or upgrade, there is currently no charge
Bouvet DXpeditions
WOW!!! Earlier in the week who would of thought that we would see "3" (yes three!!) Bouvet DXpeditions being planned for the next three years (2021/2022/2023). However, this all changed by August 12th, with one team canceling their plans for 2023
FCC Application Fees Unlikely to Go into Effect Until 2022
The schedule of FCC amateur radio application fees likely will not go into effect before 2022. FCC staff confirmed during a recent virtual meeting with Volunteer Examiner Coordinators (VECs) that the agency is still working on the necessary changes to the Universal Licensing System (ULS) software and other processes and procedures that must be in place before it starts collecting fees from amat...
Loaded Quarter Wave Antenna Inductance Calculator
Antennas/Antenna Calculators
Here is a formula and calculator for creating a loaded (shortened) quarter wave vertical or balanced dipole. The calculation refers to either a loaded 1/4 wave or a loaded dipole
Icelandic WEB-SDR
The Icelandic Radio Club reports that Ari (TF1A) installed a new web-based Kiwi-SDR receiver, owned and operated by (TF3GZ), and that it has gone online in Iceland, at Bláfjöll Mountain, at an elevation of 690 meters.
The search for Flight MH370
John Willliam VK4JJW has an update on how WSPR, the Weak Signal Propagation Reporting remains a key source of hope in the search for the wreckage of the missing airliner
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