LA1K / LA100K / LA1UKA

Tag: python (page 3 of 4)

Extracting the antenna pattern from a beacon signal, pt. I: Initial investigations using autocorrelation

We have published a couple of posts ([1], [2], [3]) on how to measure an antenna pattern by using an [… Read more]

Plotting spotting calls on a map

LA3WUA Øyvind came to me late Monday evening last week, desperate, wanting a map to visualize the calls which had [… Read more]

Using GNU Radio and Hamlib to calculate antenna diagrams

As a part of earlier blog posts ([1], [2]), we developed a couple of tools for measuring antenna patterns against [… Read more]

Preliminary measurements of the parabolic dish

After having increased the sturdiness of the rotor, and installed the five-band ring dish feed and a 23 cm LNA [… Read more]

Plotting Norwegian ham radio contacts on a map using Pandas, Cartopy and Geopy

In the post about the Norwegian telephony contest, we plotted the contacts on a map of Norway. Plotting contacts during [… Read more]

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