Akademisk Radioklubb

LA1K / LA1ARK / LA1UKA

Page 55 of 67

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]

Soldering course: creating our own PIXIE 40m CW-kit

With uneven spacing ARK holds courses in various interesting subjects for its members. We do this to increase the general [… Read more]

How to fix IC-9100 USB hub problem

While testing our rudimentary 23 cm setup, and during recent work with the VHF/UHF array we uncovered some problems with [… Read more]

Thermal cycling and the woes of the northern amateur

Over the past couple of weeks we have been trying to listen in to the Fox-1 amateur satellites using our [… Read more]

Satellite dish measurements pt. 3: Fixing a broken RF Hamdesign five band ring dish feed

After we had found out that the problem with our parabolic dish was that the feed probably was broken, we [… Read more]

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