The two contests in January are excellent preparation for the upcoming CQ WXP Contest. The first, the HA DX Contest, takes place on January 17–18, 2009, from 12:00 UT to…
Category: Hamradio
Presumably, the largest group consists of radio amateurs who engage in making conventional radio contacts with other amateur stations, of which there are several million around the world. The second large group consists of amateurs who are mainly involved in designing, building, and testing various electronic devices and antennas that can be used in amateur radio practice.
A quarter-wave vertical antenna for 7 MHz
A quarter-wave vertical, also known as a ground plane, is a very efficient antenna, yet very simple. In the MW5W and MW9W teams, we tested both versions—with raised and ground…
Preparing for the contest (?)
On St. Stephen’s Day, many people dressed in their finest and got ready for the first ball after Christmas. My evening, however, turned out completely differently. With unexpected—but all the…
N1MM Logbook
N1MM is a freeware contest log. It directly supports a number of contests, including the CQ WPX Contest. Its greatest advantage—and at the same time its greatest disadvantage—is the flexibility…
New OM0A Member
Another addition to the OM0A contest team is Ing. Peter Ruman, OM6PR. Peter received his first license in 1967, so he’s raising our average age, heh. I believe that his…
Antenna Analyzer
An antenna analyzer is a very useful measuring instrument. It allows you to “see” not only the characteristics of antennas more clearly, but also those of passive matching circuits. Optimizing…
DK7ZB Yagi for 20m and 15m
Production of directional antennas for the 20-meter and 15-meter bands has begun. We chose from the following antennas: Moxon beam, 2-element quad, DK7ZB Yagi, and the 50-ohm version of the…
Competitive spirit
Do you remember this year's Formula 1 championship finale? Felipe Massa’s father was already celebrating the championship title with the mechanics—his son had won the Brazilian Grand Prix, and his…
Operating the Yaesu FT-1000MP
The Yaesu FT-1000MP is a top-of-the-line amateur radio transceiver. The front panel features a variety of controls, and additional settings are accessible via the menu. Although it may not seem…
Inverted L Antenna for 160 m
Antenna The Topband, as the 160-meter band is also known, poses a challenge when it comes to designing a compact antenna. That is why many amateur radio operators skip this…
Preamplifier for a Beverage Antenna
On the 80-meter band, we plan to use a special receiving antenna—a Beverage antenna. It is a very long wire (nearly 200 meters) suspended at a low height above the…
VKV PA – June 2026
After the break in May, I decided to set up all the antennas on Černecký Hill again: 4 x 5-element DK7ZB and 2 x 8-element DK7ZB Yagi antennas. This time,…