Antenna mast - how to build?
The construction of an antenna mast can also be simple and safe if it is implemented correctly. Amateur radio broadcasting from interim stations are
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DK7ZB
Martin Steyer, DK7ZB, is the author of optimized yagi antennas. The basic series of its antennas is characterized by impedance 28 ohms, in which the yagi antennas have very good properties and easy adaptation.
Results of the Winter QRP race 2021
From Mirek OK1DOM here are the results of the Winter QRP race 2021. Many stations were found in very difficult conditions, which
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Portable ultralight VHF antenna DF6MH
Implementation of a powerful VHF antenna, by one operator – carrier – he transports it to a dimension and is able to put it a difficult task there.
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Cheap KV PA with V-MOS
V-MOS-y IRF5xx and IRF6xx are suitable transistors for a simple broadband linear PA with a power of tens of watts. From a fifty - crown transistor at
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A truly different subregional story
Somehow I'm just not lucky on the 2nd subregional. I didn't catch him two years ago, as I did not receive the concession on time. I was a year ago
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OM3AU Memorial & Microwave races at OM3RKP
While it is usually a problem to find a sufficient number of people, This time we put it on King's staff, 1948 meters high hill in
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OM VHF LOW POWER CONTEST from Lomnický štít
We have been playing with the idea of OM VHF LOW POWER CONTEST from Lomnický štít for a long time. That it will go up
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Satellite DX-ing on FO-29
The FO-29 is one of the satellites providing the greatest DX capabilities. The advantage is stable operation, good track height (polar, with perige between 800
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Multiplier KN09 in VHF PA
Tomorrow, t.j. 21.may 2006 will work from KN09AD under the club brand OM3RKP Vilo OM0AAO in the bands 2m and 70cm. RIG:
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Satellite antenna with circular polarization
One of the biggest ills of satellite communication is the strong signal leakage caused by the rotation of the satellite when received by a linearly polarized antenna. (vertical or
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EME QSO s Namíbiou
Dna 17. January 2009 I managed to make an EME QSO with an expedition in Namibia. QSO took place in JT65B mode. Used
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