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| Beide Seiten der vorigen Revision Vorhergehende Überarbeitung | |||
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en:modes [2018/10/28 21:05] mb |
en:modes [2019/04/21 17:07] (aktuell) mb [A2] |
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| - | **Telegraphy modulated** is an operation mode in which the RF carrier is modulated with a tone frequency in the rhythm of morse code (in the very early years of wireless telegraphy, often the frequency of the power generator has been used for this). | + | **Telegraphy modulated** or **modulated tone telegraphy** is an operation mode in which the RF carrier is modulated with a tone frequency in the rhythm of morse code (in the very early years of wireless telegraphy, often the frequency of the power generator has been used for this). |
| In contrast to the unmodulated carrier of A1-transmissions, which is not audible in a standard AM radio, these tone modulated signals can be heard with a receiver in standard AM mode or even with a very simple crystal detector set. | In contrast to the unmodulated carrier of A1-transmissions, which is not audible in a standard AM radio, these tone modulated signals can be heard with a receiver in standard AM mode or even with a very simple crystal detector set. | ||
en/modes.txt · Zuletzt geändert: 2019/04/21 17:07 von mb
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