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project:hgg:open_tasks:data_acquisition_module_-_hamsats

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project:hgg:open_tasks:data_acquisition_module_-_hamsats [2012-01-12 07:52]
84.56.182.161 angelegt
project:hgg:open_tasks:data_acquisition_module_-_hamsats [2012-01-12 07:54] (aktuell)
84.56.182.161
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-with amateur radio digital satellite communication,​ carrier frequencies around 435 MHz +with amateur radio digital satellite communication,​ carrier frequencies around 435 MHz are usual (see the tables of satellite operating modes). ​ 
-are usual (see the tables of satellite operating modes). The signals are FSK modulated, + 
-i.e. there is roughly speaking one of two adjacent frequencies transmitted. The distance +The signals are FSK modulated, i.e. there is roughly speaking one of two adjacent frequencies transmitted. 
-of the frequencies is typically 10-50 kHz. With a FM receiver you get a digital signal, + 
-which is specially encoded to exploit the existing channel properties. +The distance of the frequencies is typically 10-50 kHz.  
-You can go to http://​symek.de then follow "​english",​ "​satellite radio" and "​IFD"​ + 
-for the receiver. Find "​TNC3S"​ and "​FSK9601 modem" for the modem and PC-interface.+With a FM receiver you get a digital signal, which is specially encoded to exploit the existing channel properties. 
 + 
 +You can go to http://​symek.de then follow "​english",​ "​satellite radio" and "​IFD"​ for the receiver. ​ 
 + 
 +Find "​TNC3S"​ and "​FSK9601 modem" for the modem and PC-interface. 
 The data protocol is always Packet-Radio (AX.25), so you can decode it with any TNC. The data protocol is always Packet-Radio (AX.25), so you can decode it with any TNC.
  
project/hgg/open_tasks/data_acquisition_module_-_hamsats.txt · Zuletzt geändert: 2012-01-12 07:54 von 84.56.182.161