Akademisk Radioklubb

LA1K / LA1ARK / LA1UKA

Tag: Antenna pattern (page 1 of 2)

Pattern measurements of PE1RKI (OM6AA design) 3 cm septum feed with Chaparral style radiation part

We have bought a 3 cm septum feed from PE1RKI (OM6AA design), which we intend to use to become QRV [… Read more]

Visualizing noise in the surroundings using an SDR, a rotor controller, hamlib and GNU Radio

The scripts we developed during the spring and summer for measuring and plotting the reception pattern of an antenna turned [… 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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