Ham radio operator Vance Vagell has released a video detailing the Android-only companion app for the open-source kv4p HT project. Coupled with the plug-and-play USB-C radio, the kv4p HT app can send ...

Last week, I covered the ridiculously low barriers to entry to amateur radio, both in terms of financial outlay and the process of studying for and passing the FCC examination. You’ve had seven days, ...

Having read this month's issue, here are the stories that resonated with me, a delusional portable operator.The special ...

The article that appeared in this magazine and in EDN last year about ham radio in the 21st century generated a lot of interest and a lot of questions about various aspects of the hobby. This article ...

So far in this series, everything we’ve covered has been geared around the cheapest and easiest possible means of getting on the air: getting your Technician license, buying your first low-end ...

For those new to the kv4p HT project, this open-source project provides a simple, easy-to-follow list of instructions to transform $35 worth of components into a full-blown Android-powered ham radio ...

This rugged power supply is based on the popular LM338 3-pin voltage regulator. The LM338 is capable of supplying 5 A over an output voltage range of 1.2 V to 32 V with all standard protections like ...