en:endgeraete
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
en:endgeraete [2019/11/24 20:22] – angelegt - Externe Bearbeitung 127.0.0.1 | en:endgeraete [2024/01/15 08:35] (aktuell) – [Cipher Equipment] mb | ||
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In the early days of wireless and even wired communication, | In the early days of wireless and even wired communication, | ||
- | | [[Practice | + | |[[Uebungsmorsetaste|Training |
- | | [[Exercise Morse Code Generator | + | |[[Übungsmorsetongenerator |
- | | [[Morse Transmitter System " | + | |[[Morsegeberanlage " |
- | | [[Exercise | + | |[[Übungsmorseschreiber Üb.M.Schr.|Training |
This was not a problem, as long as only professional radio operators and radio amateurs were trained as signalmen; they mastered the Morse code in sleep, almost as well as foreign language skills. | This was not a problem, as long as only professional radio operators and radio amateurs were trained as signalmen; they mastered the Morse code in sleep, almost as well as foreign language skills. | ||
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It turned out, that **High speed telegraphy** would not meet the requirements. With high speed telegraphy systems, messages could be transmitted in high speed morse code easily. But these had to be printed to paper, and then decoded in a tedious way from the Morse code to letters. If the operator' | It turned out, that **High speed telegraphy** would not meet the requirements. With high speed telegraphy systems, messages could be transmitted in high speed morse code easily. But these had to be printed to paper, and then decoded in a tedious way from the Morse code to letters. If the operator' | ||
- | | [[Automatic Morse code equipment Moser]] |[[Automatic high speed telegraphy system MFA]] | | + | |[[Automat. Morseausrüstung Moser|Automatic Morse code equipment Moser]]|[[Automat. Schnelltelegraphieanlage MFA|Automatic high speed telegraphy system MFA]]| |
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The use of wireless transmission became much easier, when radio telephony was available. In the case of AM or even single-sideband transmissions, | The use of wireless transmission became much easier, when radio telephony was available. In the case of AM or even single-sideband transmissions, | ||
- | In the early years, people often worked with headphones and a hand-held microphone. Later on headsets were in which hands were free, a throat microphone which did pick up less ambient noise, and earphones which could be worn under the helmet, were introduced. | + | In the early years, people often worked with [[headphones]] and a hand-held microphone. Later on headsets were in which hands were free, a throat microphone which did pick up less ambient noise, and earphones which could be worn under the helmet, were introduced. |
- | In Switzerland quite often, microphone-handset combinations were commonly used. They look like a telephone handset with an integrated push-to-talk key, in Switzerland these were commonly referred to as **Microtel** or **Microtelephone**. | + | In Switzerland quite often, microphone-handset combinations were commonly used. They look like a telephone handset with an integrated push-to-talk key, in Switzerland these were commonly referred to as **[[Microtel]]** or **Microtelephone**. |
Without a hard-to-crack voice scrambling or speech encryption, the drawback of telephony was, that transmission could easily be intercepted - stickers "Watch out, enemy is listening!" | Without a hard-to-crack voice scrambling or speech encryption, the drawback of telephony was, that transmission could easily be intercepted - stickers "Watch out, enemy is listening!" | ||
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==== Hell Printer ==== | ==== Hell Printer ==== | ||
In order to cope with the problem of faulty and slow message transmission by poorly trained telegraphists, | In order to cope with the problem of faulty and slow message transmission by poorly trained telegraphists, | ||
- | Since the requirements for the signal coming from the receiver to drive the Hell printer and for the signalmen operating the receivers were even higher than for the CW reception, the receivers initially used ([[E-622| Lorenz EO 509/1]] in the [[SE-302|G1, | + | Since the requirements for the signal coming from the receiver to drive the Hell printer and for the signalmen operating the receivers were even higher than for the CW reception, the receivers initially used ([[E-622| Lorenz EO 509/1]] in the [[SE-302|G1, |
For use on long-wave connections and wired communication, | For use on long-wave connections and wired communication, | ||
- | |[[Hellschreiber | + | |[[Hellschreiber |
==== Cipher Equipment ==== | ==== Cipher Equipment ==== | ||
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With introduction of modern digital technology, encryption technology has become easier to handle and easier to implement in digital communication systems; the modern encryption technology has lost much of the charm of the machines with the rattling gears and cipher wheels. | With introduction of modern digital technology, encryption technology has become easier to handle and easier to implement in digital communication systems; the modern encryption technology has lost much of the charm of the machines with the rattling gears and cipher wheels. | ||
- | | [[Enigma K]] | [[Telekrypto 53]] | [[Krypto- Funkfernschreiber 58]] | [[Telekrypto 61]] | [[Telekrypto 535]] | | + | {{tablelayout? |
- | | [[NeMa]] | | | [[KCG-70]] | | | + | |[[Enigma K]]|[[Telekrypto 53]]|[[Krypto- Funkfernschreiber 58]]|[[Telekrypto 61]]|[[Telekrypto 535]]| |
- | | | | | | [[SVZ-430]] | | + | | | |[[TC-850]]| | |
+ | |[[NeMa]]|[[CZ-1]]|[[KCG-70]]| | | ||
+ | |||
+ | A simpler way of making a voice transmission unrecognisable is **voice scrambling** with chopping fragments of a voice transmission in rearranging them in a different order, when reassembled in the correct order after transmission, | ||
+ | |||
+ | Work began in Switzerland with the " | ||
+ | {{tablelayout? | ||
+ | |[[Chiffrator]] (BBC)| |[[SVZ-226]]|[[SVZ-430]]| | ||
+ | | | | |[[SVZ-B]]| | | ||
+ | |||
+ | |||
+ | |||
==== Personal Computer ==== | ==== Personal Computer ==== |
en/endgeraete.1574623358.txt.gz · Zuletzt geändert: 2019/11/24 20:22 von 127.0.0.1