LA1K / LA1ARK / LA1UKA

Tag: Antenna pattern (page 2 of 3)

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]

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]

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]

Measurements of the parabolic dish in a free path environment

We’ve experienced some discrepancies with the performance of our parabolic dish. During an earlier post, we ¬†developed tools for measuring [… 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]

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