Akademisk Radioklubb

LA1K / LA1ARK / LA1UKA

Author: LA9SSA (page 1 of 5)

Overflow rectification for recorded GNU Radio samples

Sampling at high sample rates from an SDR in GNU Radio with slow blocks  in the flowgraph (for example writing [… Read more]

Beacons: collection of technical details

Recent additions of LA2VHF/4m (2015) and LA2SHF (2018) to our beacon park at Vassfjellet has increased the number of beacons [… Read more]

Extracting the antenna pattern from a beacon signal, pt. IV: Probabilistic approach

We’ve through a series of blog posts (Extracting the antenna pattern from a beacon signal, pt. I: Initial investigations using [… Read more]

Extracting the antenna pattern from a beacon signal, pt. III: Frequency analysis and code

In a couple of blog posts (Extracting the antenna pattern from a beacon signal, pt. I: Initial investigations using autocorrelation, [… Read more]

Extracting the antenna pattern from a beacon signal, pt. II: Measurements of LA2SHF

In the first blog post of this series, we analyzed the beacon signal from LA2VHF to obtain the enveloping, azimuth-dependent [… Read more]

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