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 +====== SE-430 ======
 +**Radio system SE-430**; manufactured by [[Zellweger|Zellweger AG, Uster]].
  
 +In the late 1980s, the shortwave radio station SE-430 was developed to communicate with remote stations using ionospheric propagation on shortwave frequencies. Stations located outside the line of sight otherwise cannot be reached by military VHF communication.
 +
 +{{:images:se-430-be-430.jpg?direct&600|SE-430: Bediengerät BE-430}}
 +===== Specifications =====
 +  * [[Principle]]: [[Transceiver]]
 +  * [[Modes]]: [[A1]], [[A3J|SSB (A3JU / A3JO)]], F1, F4
 +  * [[Frequency Range]]: 1.6 - 11.9999 MHz, digital display, accuracy 100 Hz
 +  * [[Output Power]]: 2/20/200 Watts
 +
 +==== Power Supply ====
 +  * [[Mains]]: 230 V AC mains
 +  * [[Accumulator / Batteries]]: built-in rechargeable battery in **BN-430** for receiving operation
 +  * [[Generator]]: The operation site is equipped with a MAG 0.4 kVA and the transmitter site with a 2.5 kVA generator.
 +
 +==== Dimensions ====
 +  * The wireless station without remote equipment and aggregates has a weight of 320 kg
 +    * ** Control unit BE-535 **: 32 kg
 +    * ** Transmitter S-430 **: 37 kg
 +    * ** Transmitter Power Supply SG-430 **: 28 kg
 +
 +==== Accessories ====
 +  * For standard operation, the vehicle whip antenna is used.
 +  * Dipole antenna with a central mast and the automatic antenna tuner [[AG-510/430]]. The antenna material for the two dipole antennas (transmitting / receiving antenna), each with a central 12 m mast, consists of two mast bundles, two cable reels each with a 60 m coaxial receiver cable and a cable reel with 60 m coaxial transmitter cable
 +  * **[[Telekrypto535]] **: Encryption device for bit stream encryption in teletype mode
 +  * **[[SVZ-430]]**: Voice scrambler to be used in telephone operation
 +  * Artificial antenna **[[KA-510/430]]**
 +
 +===== Station Material =====
 +The **Shortwave Radio Station SE-430** was used to communicate over long distances partly by using ionospheric propagation of shortwaves; it can be operated in modes A1 (Morse telegraphy), SSB telephony (A3JU / A3JO) and radio teletype (F1, F4), the output power is up to 200 W PEP.\\ 
 +{{:images:se-430-be-430-betriebsschalter.jpg?direct&400|SE-430: Betriebsarten}}
 +
 +The complete system consists of a **Control unit BE-430**, to which an encryption device [[TC-535]] and a teletypewriter can be connected. In most cases, the signal is transmitted from a remote site via a remote control cable to transmitter **S-430** in a distant location. The automatic antenna tuner **AG-510/430** is located at the transmitter site to match the transmitting antenna.
 +{{:images:se-430-be-430-front.jpg?direct&400|BE-430: Control Unit}}\\ 
 +The **Control unit BE-430** includes the **Receiver E-430**, the transmitter control unit **BG-430** and battery power supply  (**BN-430** with one slot for the accumulator).
 +
 +{{ :images:se-430-s-430.jpg?direct&200|Sender S-430}} The transmitter **S-430** is housed in a metal case; for operation, the ventilation flaps must be opened to allow cooling.
 +
 +----
 +
 +{{ :images:se-430-sg-430.jpg?direct&200|Senderspeisegerät SG-430}} The transmitter power is supplied by the transmitter power supply **SG-430** installed at the transmitter site. It provides the necessary voltage of 32 V for the transmitter and has an integrated test function to check proper functioning.
 +
 +----
 +
 +{{ :images:se-430-ag-510-430.jpg?direct&200|Abstimmgerät AG-510/430}} The dipole antenna is fed by the automatic antenna tuner **AG-510/430** which matches to the 50 ohm output of the transmitter, the VSWR is kept constantly below 1.3.
 +
 +The **Receiver Balun EB-430** is connected between the receiver antenna and the antenna input of the receiver and protects it against power spikes in the event of a lightning strike or a nuclear electromagnetic pulse (NEMP).
 +
 +Alternatively, the **Emergency antenna NA-430** can be used.  The antenna strands of the dipole antenna are shortened to the necessary length as indicated on a frequency table for optimal radiation. However, this means that no short-term frequency changes are possible. Also on the receiver site, a makeshift receiving antenna is available.
 +
 +The transmitter **S-430** can be remotely operated in all functions, this can be done over a field telephone line with a maximum length of 8 km, a microwave connection or a telephone line of the public telephone network. This means, that a distance of half of Switzerland can be between the operator and the transmitter site where the transmitter and the associated power supply unit are located.
 +
 +The system can be used as portable station or in a fixed installation in a shelter (SE-430/t), as radio station SE-430/m, the station is installed in an off-road radio truck Steyr 4x4.
 +
 +===== Technical Principle =====
 +{{:images:se-430-block.jpg?direct&400|}}\\ 
 +
 +==== Component Layout ====
 +The device is completely solid state.
 +
 +==== Development ====
 +{{ :images:se-430-tc-535-bw.jpg?direct&400|SE-430 und Telecrypto TC-535}} In the years 1978/82, [[Zellweger|Zellweger, Uster]] developed the new shortwave station; the company had already had a good reputation with the development of the air raid alarm network system [[S-510]]|[[E-646]].
 +
 +The station is completely solid sttae, thanks to the built-in microprocessor, various self-tests can be performed automatically. The station can be remote controlled over telephone lines, the antenna tuning is fully automatic.
 +
 +The set has been used in different configurations:
 +  * in the armored personnel carrier Spz 63 (as a replacement of the [[SE-412]]): 25 units SE-430/p (1987/88)
 +  * as "portable" station with remote operation vehicle: 180 units SE-430/tm (1987/88)
 +  * in radio truck 4x4 Steyr (to replace the [[SE-415]]): 75 units SE-430/m (1987/88)
 +  * in the signal armored vehicle Uem Pz 63: xx units SE-430/mp
 +  * as a "portable" station with remote operation vehicle: 180 units SE-430/tm (1987/88)
 +
 +==== Field Use ====
 +The wireless station SE-430 was used onboard vehicles (among others the armored personnel carrier 63), mobile on radio truck Steyr 4x4 and onboard the signal vehicle.
 +{{:images:se-430-fahrzeug-steyr.jpg?direct&400|SE-430: Fahrzeug Steyr Lastw 4x4}}\\ 
 +The station saw army use from 1988 to 2005 and was liquidated in 2010.
 +
 +{{gallery>:images?se-430*.jpg&0&80x80&lightbox&showtitle&titlesort}}
 +
 +===== Technical Documentation =====
 +  * {{ :manuals:se-430-benutzerhandbuch-zellweger.pdf |Benutzerhandbuch SE-430, Zellweger AG}}
 +  * {{ :manuals:se-430-funksystem-regl-58-147d-probe.pdf |Das Funksystem SE-430, Regl. 58.147d, Probeausgabe 1988}}
 +  * {{ :manuals:se-430-funksystem.pdf |Das Funksystem SE-430, Regl. 58.147d, 1990}}
 +  * {{ :manuals:se-430-58-450d.pdf |Funksystem SE-430, Regl. 58.450d, 1998 (prov)}}
 +  * {{ :manuals:se-430-65-530d_small.pdf |Funkstation SE-430, Anleitung für Uem Ger Mech; Regl. 65.530d}} {{ :manuals:se-430-65-530f.pdf |Regl. 65.530f}}
 +
 +==== Additional Informations ====
 +  * [[http://armyradio.ch/radio-d/se-430.htm|SE-430 on www.armyradio.ch]]
 +  * [[https://www.hamfu.ch/de/geraete/geraet.php?id=38|SE-430 on Hamfu website]]
 +  * [[https://www.radiomuseum.org/r/zellweger_funksystem_se_430.html|SE-430 on www.radiomuseum.org]]
en/se-430.txt · Zuletzt geändert: 2019/11/23 14:33 von 127.0.0.1