Издательство: | Книга по требованию |
Дата выхода: | июль 2011 |
ISBN: | 978-6-1335-7092-4 |
Объём: | 92 страниц |
Масса: | 160 г |
Размеры(В x Ш x Т), см: | 23 x 16 x 1 |
High Quality Content by WIKIPEDIA articles! Ramona was the second generation Czechoslovakian electronic support measures (ESM) system that uses measurements of time difference of arrival (TDOA) of pulses at three or four sites to accurately detect and track airborne emitters by multilateration. Ramona's serial number was KRTP-81 and it carried the NATO reporting name of Soft Ball. The serial number was derived from the Czech phrase "Komplet Radiotechnickeho Pruzkumu" meaning "Radiotechnical Reconnaissance Set". A later upgraded version was designated KRTP-81M. Ramona was deployed in 1979 and could semi-automatically track 20 targets simultaneously. It superseded Kopac. Each receiver comprised a large spherical radome mounted on the top of a 25 m fixed mast. This radome, made of identical segments of polyurethane foam, contained the radio antennas and the microwave components, intermediate frequency preamplifiers and the two-way communications equipment for communicating between central and side sites. At first glance the system bore a striking resemblance to typical Eastern European water towers.
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