Splitable 12-El. 23cm Yagi from the eBay store 'wlan-antenne'

A few weeks ago I bought a detachable 14 element 23cm Yagi antenna from the E-Bay store ‘wlan_antenne’. The great thing is: you can split the antenna in the...

LiteVNA sweep of the 2-El. 23cm Yagi from SG-Labs

I bought a 23cm transverter from SG-Lab and Hristiyan (LZ5HP) added a small PCB antenna. 2-Element Yagi from LZ5HP Time for a LiteVNA sweep!...

Listening to 10GHz Rain Scatter in Esslingen using a LNB

Today I was able to receive multiple 10GHz beacons via Rain Scatter thanks to a small thunderstorm crossing my hometown. As I’m living in a deep valley this...

Watching HF band activities using Grafana

The best tool around for watching and analyzing band activites is wspr.live. It allows ham radio operators to watch all WSPR activities in their local grid ...

High IO-Wait and lags under Linux after wiping SSD

I was experiencing high IO-Wait after moving a PC from Windows to Linux. According the buffered reads the SATA interface wasn’t the bottleneck. # hdparm -t...