If you use a Raspberry Pi, one feature you may not be aware of is that it has a hardware watchdog. When enabled and properly configured, if the system freezes up, the hardware watchdog will reset the system. That’s pretty convenient if you’re putting a Raspberry Pi somewhere remote, like a tower site. Here are […]
Author: David Andrzejewski
Raspberry Pi: Adding a Real-Time Clock on Raspbian Jessie
The Raspberry Pi is a great computing device at a great price – but to keep costs down, sacrifices had to be made. One of those sacrifices was a so-called “real-time clock” or RTC. Without one, the device forgets the time as soon as it’s powered down or rebooted. Fortunately, Internet connectivity is available in […]
Tytera MD-380 – Enable test/alignment mode
If you have a Tytera MD-380 and would like to perform some alignment on it, you can enable “test mode” in the CPS.
A quick and unscientific spectral analysis of two Baofeng radios.
I tested a couple of Baofeng handheld for compliance with FCC Part 97’s spectral purity requirements.
Allstar Permanent Node Connection
Here’s how to ensure your Allstar node maintains a permanent connection to another node.