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en:se-204 [2019/12/01 14:19] (aktuell)
mb angelegt
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 +====== SE-204 ======
 +**SE-204 Radiovox**; manufactured by [[Autophon|Autophon AG, Solothurn]].
  
 +[[Autophon]] developed an adapted variant of the frequency-modulated transceiver [[SE-203]] to be used for connections between the fire control radar system Mk VII and the regimental headquarters in the early fifties.
 +
 +{{:​images:​se-204.jpg?​direct&​600|SE-204}}
 +===== Technical Specifications =====
 +  * [[Principle]]:​ [[Transceiver]],​ Receiver: [[Single conversion]],​ [[IF]] 4.3 MHz
 +  * [[Modes]]: [[F3|FM (F3) or phase modulation G3E]]
 +  * [[Frequency Range]]: 80 - 87.5 MHz (four crystal controlled channels)
 +  * [[Sensitivity]]:​ [[F3|FM (F3)]] / [[selectivity]]
 +  * [[Output Power]]: 25 W
 +
 +==== Power Supply ====
 +  * [[Mains]]: the station'​s transmitters and receivers can be powered from 220V AC mains.
 +
 +==== Dimensions ====
 +  * Transmitter and receiver each 390 x 215 x 218 mm, approx. 60 kg
 +
 +==== Accessories ====
 +  * In the mobile stations at the fire control radar systems, a vertikal antenna A 78 Spez was used.
 +  * At the regimental or section headquarters,​ a remote long distance antenna FA 78 was used.
 +  * 
 +===== Operation =====
 +{{ :​images:​se-204-front.jpg?​direct&​400|SE-204}} The station consists of one transmitter S 78 NU and two receivers E 78 NU; a control unit K 78 A is used to remotely control via a 50 m cable.
 +
 +===== Technical Principle =====
 +
 +==== Tube Layout ====
 +
 +==== Development ====
 +The radio station Radiovox was developed by [[Autophon]] in around 1951/52, it was used by police forces and the Air Force. As [[SE-203]], this station was adapted for communication with the aircraft command vehicle (FLEIW) and as SE-204 for communication with the fire control radar.
 +
 +==== Mission ====
 +The eight stations were used by anti-aircraft units, four stations located at the regimental headquarters and four stations in the fire control radar Mk VII sites.
 +
 +{{gallery>:​images?​se-204*.jpg&​0&​80x80&​lightbox&​showtitle&​titlesort}}
 +
 +===== Technical Documentation =====
 +
 +==== Additional Information ====
 +  * [[https://​www.hamfu.ch/​de/​geraete/​geraet.php?​id=233|SE-204 (Radiovox) on Hamfu website]]
en/se-204.txt · Zuletzt geändert: 2019/12/01 14:19 von mb