File Store

Click on the links below each caption to download the file.

Secant Chart allow calculation of oblique Maximum Working Frequency from vertical Ionosonde sounding F2 Critical Frequencies.

secantlaw

German language files on NVIS operation and an antenna design

NVIS_operation_manual

NVIS-Set_Beschreibung ( Antenna description )

NVIS-Antenne_aufstellen ( More information about erecting the antenna )

 

 

 

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