Microwave amateur radio frequencies photo 76

Microwave amateur radio frequencies

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Most people are aware that space missions communicate using the microwave frequencies and we have seen the pictures of huge dishes used by space tracking stations such as those at tidbinbilla, act for communicating with satellites and manned space missions. Microwaves are a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter with frequencies between 300 mhz (1 m) and 300 ghz (1 mm). Different sources define different frequency ranges as microwaves the above broad definition includes both uhf and ehf (millimeter wave) bands. Microwave radio frequencies are those that reside the upper end of the radio spectrum, or frequencies from approximately 1 ghz to 300 ghz (1,000 to 300,000 mhz) in the uhf, shf and ehf bands. Microwave frequencies are often used for fixed point-to-point communications circuits in cases where wire or fiber optic lines are not possible or desireable. 70cm & microwave amateur tv frequencies jim andrews, kh6htv www. Com licensed amateur radio operators in the usa are permitted by the fcc to transmit, live, fast-scan, color television pictures with audio in the 70cm (420-450 mhz) band and all higher frequency amateur radio bands ( 33cm, 23cm, 13cm, etc.). Arrl, the national association for amateur radio 225 main street newington, ct, 06111-1400 usa tel fax toll-free hqarrl. Org contact arrl the arrl is a member-society and international secretariat of the international amateur radio union. Dsp-10 2-meter home built dsp amateur radio transceiver by w7pua. Amateur radio microwave frequencies 1240 1300 mhz (60 mhz) 2300 2310 mhz and 2390 2450 mhz (70 mhz) 3300 3500 mhz (200 mhz) 5650 5925 mhz (275 mhz) 10000 10500 mhz (500 mhz) 24000 24250 mhz (250 mhz) 47. Operating on the microwave bands represents a greater challenge than lower frequencies, but can be a source of real achievement.

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