LDI DIGISONDE 4D - Page 119

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DIGISONDE-4D
SYSTEM MANUAL
VERSION 1.2.11
3-30 SECTION 3 - OPERATING INSTRUCTIONS
Figure 3-21: Frequency spectrum occupancy chart, 0.5 to 1.2 MHz, produced from TAV file (Option A)
Figure 3-22: Radio silent measurement for HF Surveillance.