Author Archives: zs1aaz

A quick method to make printed circuit boards

Featured

Posted on April 14, 2024 by zs1aaz

Making-PCBsDownload

Posted on April 4, 2024 by zs1aaz

Magnetic-loop-controllerDownload

A Clock for your shack

Posted on October 2, 2021 by zs1aaz

A clock for your shackDownload

Experiences with a CNC machine

Posted on September 29, 2021 by zs1aaz

CNCDownload

The quest for a high voltage variable capacitor

Posted on September 29, 2021 by zs1aaz

Trombone capacitorsDownload

Digital modes and Robust Packet Radio

Posted on September 15, 2021 by zs1aaz

RPRDownload

Automatic Position Reporting in aircraft

Posted on September 15, 2021 by zs1aaz

APRS in AircraftDownload

The Space Mouse

Posted on September 15, 2021 by zs1aaz

The space mouseDownload

A Shield for the K3NG Keyer

Posted on September 13, 2021 by zs1aaz

K3NG keyerDownload

An automatic antenna selector

Posted on September 13, 2021 by zs1aaz

Antenna selectorDownload

A Magic Loop Antenna

Posted on September 13, 2021 by zs1aaz

Twisted LoopDownload

A sound card interface for digital modes

Posted on September 13, 2021 by zs1aaz

USBLink2Download

Solar is the answer

Posted on September 11, 2021 by zs1aaz

SolarDownload

Missing Radio

Posted on September 11, 2021 by zs1aaz

Missing radioDownload

Lindenblad TV Antenna

Posted on September 11, 2021 by zs1aaz

Lindenblad AntennaDownload