Amateur Radio Projects

Amateur Radio Software Development

Claus' Morse Trainer Android app to learn morse code by listening.
IcomClockOmniRig Windows executable to set the Icom IC-7300 clock via OmniRig.
IC-7300-time-sync Python script to sync the radio's clock with your computer via CAT commands.
QRZ Auto Login extension for Chrome Browser and Firefox Browser (including Android) which automatically logs into the QRZ.com website.
Q to H extension for Chrome Browser and Firefox Browser (including Android) which redirects QRZ callsign lookups to HamQTH.
NetLogger Elf Java NetLogger helper application to generate QSL cards and create nicer ADIF file to import into 3rd party loggers.

Amateur Radio Software Awards

Establish the Amateur Radio Software Awards read more about this...

3D Printing

3D printing designs for amateur radio. read more about this...

Antenna Rotators

All about several old antenna rotators I got my hands on. read more about this...

APRS iGate

My RTL-SDR dongle - Raspberry Pi build of an APRS iGate running the direwolf software. read more about this...

Arduino Keyer

Morse keyer for CW practice. read more about this...

Awards

List of awards I achieved. read more about this...

Baofeng UV-82 Transmit Filter Fix

I have a collection of UV82 HTs that have spurious emissions. This is my attempt to fix the filter in these radios. read more about this...

Cloud Shared Software Setup for Amateur Radio Station

My attempt to bring sanity into our complex needs: multiple operators and multiple computers. read more about this...

Chinese 200 Watt Band Pass Filters

A closer look at the 200 watts band pass filters that are sold on Aliexpress and other online market places. read more about this...

Contests

My contest participations and results. read more about this...

DIY Common Mode Current Choke/Balun

Homemade 1:1 Common Mode Current Balun Testing Testing out my home made 1:1 balun for common mode current attenuation.
1:1 Common Mode Current Balun Explained My simple explanation on how the common mode current choke works.
Testing Common Mode choke under heat How does a FT240-31 perform under heat? Is the chocking power reduced? Does the core have a memory effect or will the effectiveness of the ferrite core diminish?

Dummy Load

Home made 250W dummy load using a resistor and heatsink. read more about this...

Entry Panel

Installation of the entry panel for coax cables including grounding and surge arrestors. read more about this...

Fonts

Sane fonts for Ham (Amateur) Radio usage. read more about this...

Morse Code

My endeavor to learn Morse code. Includes a link to the android app I wrote to practice morse code. read more about this...

Net Survey

Notes on which regional nets I can reach and participate from my home location. read more about this...

Old Components

A closer look at a variety of old and sometimes mysterious components for amateur radio. read more about this...

Patio Door Coax Cable Feedthrough Panel

Route coax cable through a patio door without invasion of mosquitoes or the danger of spouses and kids smashing the coax. read more about this...

QSL Cards: Image to PDF

Create a PDF file with 4 QSL card images to print and cutout yourself. read more about this...

TNC Modem - APRS with an old smart phone, arduino, and a hand held radio

Modified version of the MicroModem to use an Arduino Nano with a Baofeng UV-82 and an android phone running ARPdroid app. read more about this...

Transmitter Testing

Results of spurious emission testing of various transmitters. read more about this...

TYT TH-8600 Tips and Hints

A central place for all ... most ... a few useful tips, hints and documentation about the TYT TH-8600 transceiver. Things like unlocking, firmware, software, usage, etc. read more about this...

Yaesu Bluetooth CAT Interface

Bluetooth CAT interface for the Yaesu FT-857d. read more about this...