en:se-202
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+ | ====== SE-202: SEF ====== | ||
+ | **Funkstation SE-202 / SEF** (Wireless Station SE-202) consisting of **Transmitter SF 21**, **Receiver EF 21**; developed by [[Brown Boveri]]. | ||
+ | After the end of World War II, the Swiss Army purchased the "Tank hunter Hetzer" | ||
+ | Brown Bovery developed a two channel frequency modulated wireless station, which did fit inside the equipment bays of the tank destroyers; it was based on a vehicle station EF21 intended for use of police and fire brigades. | ||
+ | |||
+ | {{: | ||
+ | ===== Technical Data ===== | ||
+ | * [[Principle]]: | ||
+ | * [[Modes]]: [[F3|FM (F3)]] | ||
+ | * [[Frequency range]]: 30 - 42 MHz, two crystal controlled channels, channel spacing 100 kHz. | ||
+ | * [[Sensitivity]]: | ||
+ | * [[Output power]]: 30 W (short time up to 50 W) | ||
+ | |||
+ | ==== Power Supply ==== | ||
+ | * [[Accumulator / Batteries]]: | ||
+ | * [[Mains]]: Mains power supply **BG31** for fixed operation or for training station operating on 115 / 145 / 220 / 250 V, the mains power supply is mounted instead of the rotary converter power supply **BU31** directly on the transmitter chassis, in this case, the receiver is powered over a multipole power cable. | ||
+ | |||
+ | |||
+ | ==== Dimensions ==== | ||
+ | * **Transmitter SF21**: 236 x 425 x 240 mm, 16.55 kg | ||
+ | * **Receiver EF21**: 236 x 425 x 210 mm, 15.1 kg | ||
+ | * **Control Unit KF32**: 310 x 154 x 258 mm, 9.5 kg | ||
+ | * **Control Unit KF28**: 198 x 88 x 128 mm, 2 kg | ||
+ | |||
+ | ==== Zubehör ==== | ||
+ | * Microtelephon ZT61 (Jeep) or headphones / throat microphone ZT63 (one for use in Jeep or four for use onboard tank) | ||
+ | * Control Unit **KF32** for the tank hunter version with integrated onboard intercom, **KF28** for the Jeep version. | ||
+ | * Rotary converter power supply **BU31** or for fixed or training setups mains power supply **BG31**. | ||
+ | * Standard antenna is a two segment **Rod antenna** . | ||
+ | * to tune the set, BBC developed a **[[t-202|Test unit MD31]]** and a **[[ka-202|dummy load MZ31]]** | ||
+ | |||
+ | ===== Bedienung ===== | ||
+ | The vehicle wireless station SE-202 / SEF has been developed by Brown Boveri and came in two variants: the "Jeep station" | ||
+ | Later it has seen fixed use for training and in " | ||
+ | |||
+ | The set consists of two metal cases with the receiver and the transmitter and a control unit, which was simple for the "Jeep station" | ||
+ | |||
+ | The metal container of the transmitter and receiver are stored in a equipment bay in the tank destroyer and under metal covers at both sides of the rear sets of the jeep.\\ | ||
+ | The control unit has a simple channel selector to switch one of the channels " | ||
+ | |||
+ | {{ : | ||
+ | One microtel ZT61 is connected directly to the control unit and another three microphone / headphone combinations ZT63 are connected over the box D38. | ||
+ | |||
+ | The control unit KF28 of the Jeep version as well as the KF29 of the fixed / training version are much simpler and come without active components. | ||
+ | |||
+ | ^ ^BBC designation^Sender^Empfänger^Bediengerät^ | ||
+ | |**SE-202/m Jeep**|CF 41|SF 21|EF 21|KF 28| | ||
+ | |**SE-202/m Pzj**|CF 63|SF 21|EF 21|KF 32 (with on board intercom)| | ||
+ | |**SE-202 Instruktionsstation** (fixed)|CF 62|SO 21 (with mains power supply BG31)|EO 21|KF 29| | ||
+ | |||
+ | ===== Technical Principle ===== | ||
+ | {{ : | ||
+ | |||
+ | {{ : | ||
+ | V14 ([[de: | ||
+ | |||
+ | ==== Röhrenbestückung ==== | ||
+ | {{ : | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | ==== Development ==== | ||
+ | After the end of World War II, the Swiss Army could acquire 160 tank hunter " | ||
+ | |||
+ | As the Tank hunter " | ||
+ | |||
+ | According to investigations by K. Utzinger (IgUem), the design of the set was most probably based on the american VHF set FMT30 developed by Galvin GMC or Motorola. The development had already started before the WW II years, that's why [[Brown Boveri]] was able to deliver their FSE station to the police force in Zurich already in 1941. | ||
+ | |||
+ | ==== Field use ==== | ||
+ | {{ : | ||
+ | |||
+ | Under standard conditions, the operation range was 4 - 20 km in the field. | ||
+ | |||
+ | {{gallery>:: | ||
+ | |||
+ | ===== Technical Manuals ===== | ||
+ | * {{ : | ||
+ | * {{ : | ||
+ | |||
+ | ==== Additional Information ==== | ||
+ | * [[http:// | ||
+ | * [[https:// | ||
+ | * [[http:// |
en/se-202.txt · Zuletzt geändert: 2018/12/28 13:20 von 127.0.0.1