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web |
http://www.gyges.dk/luftwaffe_bernhard.htm
|
83164 |
|
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| |
web |
https://www.nonstopsystems.com/radio/hellschreiber-modes-other-hell.htm
|
83163 |
|
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| |
web |
https://de.wikipedia.org/wiki/Bernhard_(Funkfeuer)
|
83162 |
|
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| |
web |
http://www.cvni.net/radio/nsnl/nsnl124/nsnl124ww2de.html
|
83158 |
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| |
web |
http://www.cdvandt.org/gema-x-geraet.htm
|
83157 |
|
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| |
web |
https://en.wikipedia.org/wiki/Battle_of_the_Beams#X-Gerät
|
83156 |
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| |
web |
https://logout.hu/cikk/a_navigacio_rovid_tortenete_avagy_eg_kemlelesetol/
|
83154 |
|
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| |
web |
https://en.wikipedia.org/wiki/Lorenz_beam
|
83153 |
|
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| |
web |
https://en.wikipedia.org/wiki/Orfordness_Beacon
|
83151 |
|
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| |
web |
https://lazarbibi.blog.hu/2016/12/10/az_elektronikus_navigacio_tortenete_2_resz
|
83149 |
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