Czech amateur radio station
Contesting, DXpeditions and home‑built RF hardware. Welcome to the station page of Michal Rybka, OK1M.
CONDXLIVE is a live HF propagation overview for contesters: a single full screen in dark mode that, for your locator, shows which band and which direction is worth working right now and over the next 48 hours. It covers the 160,…
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Last weekend of October means one thing: CQ World Wide DX SSB. This year I took part from Pantelleria Island (IOTA AF-018) as IH9/OK1M, CQ Zone 33, African Italy, a separate country multiplier in CQ WW. Category: Single Operator…
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A 7-element multiband antenna for contesting on the 20, 15 and 10 m bands: 2 elements on 20 m, 2 on 15 m and 3 on 10 m, all on a 4.36 m boom with a single 50 Ω feed line. It is a shorter sister of the 9-element version.
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OK1M-PyminiNEC3 is an antenna modelling platform with the MININEC 3 calculation core and MMANA-GAL pro conventions. It reads antenna models in the MMANA-GAL format (.maa), computes them with the method of moments and produces the…
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A low noise amplifier for the 144 MHz band built around the PGA-103+, with a low pass filter at the input, a band pass filter at the output and two bypass relays, all in an aluminium case. The measured gain is 19 dB.
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Photos from the expedition: photos.app.goo.gl/nLpBBzaXWzzAP8f98 Log: clublog.org/livestream/FH/OK1M
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