Recently, Sarah Rose Giddings (aka SignalsEverywhere) has been actively developing several radio and SDR based projects for Android, and she would like to provide an update on them. First, as mentioned in a previous post, Sarah has been developing APRS.chat, an online mailbox system for APRS messages sent over RF. She has also been making […]| rtl-sdr.com
Thank you to Paul Maine for writing in and sharing his latest tutorial video, which explains how Single Sideband (SSB) modulation works. In the video, Paul explains the concept and mathematical principles behind SSB by showing how to create an SSB receiver using GNU Radio and an RTL-SDR. Paul writes: Paul Maine “ The SDR […]| rtl-sdr.com
Upcoming ARISS radio contact between the International Space Station, call sign OR4ISS, and young people at the IARU Region 1 YOTA Summer Camp, call sign FX5YOTA, on Tuesday, August 19, 2025, at 09…| AMSAT-UK
Thank you to Sarah Rose Giddings (aka Signals Everywhere) for submitting to us her latest project called aprs.chat. This is a web service that allows ham radio operators to have all of their incoming APRS (Automatic Packet Reporting System) messages (regardless of SSID) saved in history on the web platform. This will enable operators to never miss a message, even when their radios are turned off. The service works over the APRS-IS (APRS Internet Service) network, which bidirectionally connect...| rtl-sdr.com
David Bowman G0MRF reports the successful on-air test of the AMSAT-UK U/V FM transponder has been carried out. Destined for the 6U Jovian-1 satellite, this mode U/V FM transponder had its first on-air test on Thursday, July 24, 2025. … Continue reading →| AMSAT-UK
The 67th CEPT Electronic Communications Committee (ECC) Plenary Meeting held March 24-27 approved ECC Decision (25)01 imposing restrictions on both Amateur and Amateur-Satellite operation in the 23cm Band (1258-1300 MHz) with effect from December 27, 2025. In order to account … Continue reading →| AMSAT-UK
An ARISS SSTV event from the International Space Station will begin no earlier than July 14 with the expectation that the event will run through the weekend into the beginning of the following week…| AMSAT-UK
A team of 6 students from the University of Surrey, the University of Portsmouth and the University of Southampton are integrating equipment they designed, manufactured and tested to a 12m high Stellar Kinetics Kia-1 rocket in Southern Oman. The launch … Continue reading →| AMSAT-UK
Amateur radio can open up a new world of opportunities for students, says teacher Chris Aitken MM0WIC, @skipperAitken on X, who shares his tips on how to start a club in the Times Educational Supplement – TES Magazine. “In 2023 … Continue reading →| AMSAT-UK
AST & Science LLC (AST SpaceMobile) currently have five Bluebird commercial satellites that use the amateur radio 430-440 MHz band. They were launched into Low Earth Orbit on September 12, 2024…| AMSAT-UK
Students at Technological University of Dublin will talk via ham radio with astronaut Takaya Onishi KF5LKS on the International Space Station. The contact is scheduled for Wednesday, June 4, at 12:10 UTC (1:10 PM BST) via EI1ISS. The contact on … Continue reading →| AMSAT-UK
The online talk ‘Guide to using satellites in amateur radio’ given by Tim GW4VXE, on May 21, 2025, is now available to watch in the Pennine Ham channel on YouTube| AMSAT-UK
Slow Scan TV (SSTV) transmissions from the International Space Station are planned to take place from 1200 GMT on Monday, May 5, until 1800 GMT on Monday, May 12. The ARISS Series 27 images will co…| AMSAT-UK
This is not database related, so if you’re not interested in hearing about something besides SQL Server, PostgreSQL, DevOps, community or data management in general, time to move on. Figured I’d just let you know up front. In the last year there have been several very large scale emergency events, examples include Hurrican Helene in […]| Grant Fritchey
I’m sure I’ve never mentioned that I’m an amateur radio operator. Like Vegans and Cross Fitters, we tend to be shy and withdrawn about our predilections. BWA-HA-HA! Ok, like Vegans and Cross Fitters, you can’t get a ham to shut up about playing radio. Anyhoo, I’ve been experimenting with a brand new, and somewhat buggy, […]| Grant Fritchey
At almost 1000 QSOs with FT8 using WSJT-X I thought I’d share a quick set up guide and some tips. I won’t go into TX here, only RX for now. 1. Get audio from your radio into your computer – obviously can’t describe exactly how as it differs for everyone. 2. Download and run: https://www.physics.princeton.edu/pulsar/k1jt/wsjtx-2.2.2-win64.exe […]| MadPsy's Place
A Comprehensive Guide to the Best Software for Learning Morse Code (CW) in 2024 - HamRadio.My| HamRadio.My
9M2PJU APRS Map: A Comprehensive Guide for Amateur Radio Operators - HamRadio.My| HamRadio.My
Inside the Skies: How My ADS-B Receiver Brings You Real-Time Flight Tracking - HamRadio.My| HamRadio.My
Revolutionize Your DXing Experience with the 9M2PJU Web DX Cluster - HamRadio.My| HamRadio.My
Introducing the Mobilinkd Bluetooth APRS® TNC: Your Affordable and Portable APRS® Solution - HamRadio.My| HamRadio.My
VGC VR-N76 Dual Band Handheld Radio - Ham Radio Handy Of The Year! - HamRadio.My| HamRadio.My
Understanding APRS Paths: A Detailed Guide - HamRadio.My| HamRadio.My
Exploring the PulseModem A: A Comprehensive Guide to APRS Communication - 9M2PJU| 9M2PJU
RadioMail: A Modern Winlink Client for iOS - HamRadio.My| HamRadio.My
Exploring Popular Internet of Things (IoT) Communication Protocols - HamRadio.My| HamRadio.My
Exploring LoRa Modulation and Narrowband Frequency Modulation (NFM) with Audio Frequency-Shift Keying (AFSK) - HamRadio.My| HamRadio.My
Bridging the Gap: APRS-WTSAPP Gateway for Amateur Radio Enthusiasts - HamRadio.My| HamRadio.My
I held a talk at CoSin 2023 titled «Sending APRS using an Arduino».| s3lph made
Ich habe auf der CoSin 2023 einen Vortrag mit dem Titel «APRS senden mit dem Arduino» gehalten.| s3lph made
