CABLE-LOSS 7C-FL dB/km 10 13.0 50 30.0 70 35.8 90 40.9 250 71.2 300 78.8 450 99.0 770 135.0 1340 187.8 1550 205.3 1770 222.8 1900 232.8 ALL RIGHT RESERVED DIGINET TOKYO ANTENNA CONSTRUCTION HIROSHI MITSUYA