Geminidy 2002
Meteor scatter (MS) operation has recently become very popular with VHF HAMs. Boom nastal s WSJT, but many
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Amsat Oscar 7 (AO-7)
AO-7 was launched on November 15 1974 from Vandenberg, California, that is, recently “celebrated” twenty-eighth birthday. In year 1981 to
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Amateur satellites
Zoltán OM7AQ was the first, who responded to our request for a contribution on CQ.sk. He offered us the opportunity to publish his older articles.
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Basics of VHF / VHF operation
The basics of VHF / VHF operation are another article from Zoli, OM7AQ. It is an overview of DX methods of operation in these bands, i characteristics
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A simple receiver without its own source
It's about construction, which was described years ago by Ing. William Petrík, OK3WAO (OM3WAO). I have modified the available material and I am presenting it to you today.
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Highly resistant low-noise preamplifier for 144MHz S53WW
Robert S53WW is a great designer of VHF equipment. A large number of points of light crossed the sky
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A simple source for radio stations differently
Radios with a power of about 5W need about 1.5A when powered by 13.8V. Popular stabilizers 7812 have a current limit of 1A; and
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DK0WCY lighthouse
DK0WCY is not an ordinary beacon. You can find him at 30 a 80m, where it transmits, in addition to identification, data on the conditions of dissemination.
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DX antenna 7OGN at 6m
It is a high-gain eight-element antenna with two powered elements and a four-reflector. With a boom length of about 480cm, the antenna gains
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Review of Yaesu FT-757GXI
A large number of points of light crossed the sky, A large number of points of light crossed the sky. A large number of points of light crossed the sky
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