Callsign profiles
Get a short public link like /W1AW for your on-air identity.
Operator-Driven Community
Short callsign profiles, club pages, and operator-driven discussion for people who actually get on the air.
Get a short public link like /W1AW for your on-air identity.
Give your club one clean place for schedules, updates, and discussion.
Browse gear, antennas, operating, and station life ranked by operators.
Want to join the community? Register an account.
DigiPi is a powerful and compact amateur radio data transceiver designed for Raspberry Pi, offering seamless access to various digital modes over Wi-Fi via a phone or web browser. This innovative device transforms traditional ham radio operations by enabling FT8, JS8Call, APRS, packet radio, Winlink email, and more—just like using a mobile app.
Ideal for portable and remote operations, DigiPi is lightweight and energy-efficient, making it perfect for Summits on the Air (SOTA) and Parks on the Air (POTA). With integrated features like an APRS WebChat interface, Winlink email support, Slow Scan TV, and AX.25 networking, it
[upl-image-preview url=https://sdham.org/f/assets/files/2025-01-08/1736299420-496364-2024-04-07-169383ef3be23.webp]
[upl-image-preview url=https://sdham.org/f/assets/files/2025-01-08/1736299420-504574-2024-04-07-ea9cd598b4f5a.webp]
Spiderbeam 12m Mast Guy Wire Plate
Source: https://www.printables.com/model/225224-spiderbeam-12m-mast-ham-radio/files

[upl-image-preview
I created some Christmas ornaments for my fellow operators using my new Flashforge Adventurer 5M! To achieve the multi-color design, I used pauses at different layer heights during the print. It was a fun project to put my new printer to the test!
Picture:

---
Hey everyone! Today, I’ll walk you through setting up the DigiRig with an FT-891 radio and a Windows 10 laptop. This compact tool makes it easy to get on digital modes in the field. Here’s a quick guide to get you up and running.
---
FT-891 radio
Windows 10 laptop
DigiRig (with USB, audio, and serial cables)
Ferrite chokes (recommended to reduce interference)
The Nifty! Mini-Manual
pretty cool little manual for the Yaesu Ft-891, thank to N6FN for creating this manual. www.niftyaccessories.com
[upl-image-preview
Yaesu FT-891 Powerpole Conversion
https://www.printables.com/model/418238-yaesu-ft-891-powerpole-conversion
[upl-image-preview
WebSDR (Web Software-Defined Radio) is a web-based platform that allows users to listen to and interact with remote radio receivers using their web browsers. It's particularly popular among amateur radio enthusiasts, shortwave listeners, and those interested in radio frequencies and signals. Here's a detailed explanation:
**Remote Radio Access**: WebSDR enables users to access radio receivers located around the world via the internet. This means you don’t need your own physical radio
25G RG8U coax cable bracket
https://www.thingiverse.com/thing:6797768

[upl-image-preview

Coaxial cable is a fundamental component in ham radio setups, acting as the bridge between your radio transceiver and antennas. Whether you're building a simple station for local communications or setting up a complex, multi-band system, choosing the right type of coaxial cable is crucial. The performance of your radio system,
My first attempt at decoding SSTV during the ARISS 2024 ISS event.
**Date**: October 13th, 2024
**Time**: 1635 PST (2235 UTC)
**Location**: DM12
**Radio**: Yaesu FT-991A
**Antenna**: omnidireccional, 30ft in the air
Arrow Antenna Tripod and Cellphone Mount
https://www.printables.com/model/69675-arrow-antenna-tripod-and-cellphone-mount

[upl-image-preview
Single Sideband (SSB) operation on the 2-meter band represents an exciting aspect of amateur radio that allows operators to make long-distance communications with relatively low power. While the 2-meter band is primarily known for FM communication, SSB offers unique advantages that appeal to many amateur radio enthusiasts.
Single Sideband is a refined form of amplitude modulation (AM) that uses bandwidth more efficiently. In SSB, only one sideband (either the upper or lower) of the carrier wave is transmitted, eliminating the need for the
The International Telecommunication Union (ITU) phonetic alphabet, also known as the NATO phonetic alphabet, plays a crucial role in ham radio operations. For amateur radio operators, effective communication is essential, and the phonetic alphabet helps ensure clarity, especially when dealing with noisy conditions or language barriers.
The ITU phonetic alphabet assigns specific code words to each letter of the English alphabet, making it easier to spell out words and avoid misunderstandings. Here’s a quick

As two popular forms of two-way communication, ham radio (amateur radio) and GMRS (General Mobile Radio Service) serve distinct purposes and audiences. Understanding the differences between these two technologies can help users choose the best option for their communication needs.
3D printing has revolutionized manufacturing, prototyping, and creative expression. With various technologies available, each type of 3D printer has its unique advantages and applications. Here’s a look at the most common types of 3D printers and their functionalities.

Lilygo T-Deck TD1 Case by Alley Cat
https://www.printables.com/model/741124-lilygo-t-deck-td1-case-by-alley-cat/files

[upl-image-preview
K1PDX Yagi Antenna Kit
https://www.printables.com/model/622362-k1pdx-yagi-antenna-kit

Amateur Radio RF Adapter Storage
https://www.printables.com/model/446734-amateur-radio-rf-adapter-storage

[upl-image-preview
DJI Mini 2 RAK Wizblock Meshtastic mount
https://www.printables.com/model/835945-dji-mini-2-rak-wizblock-meshtastic-mount

[upl-image-preview