Operating instructions

DIRECTIONAL POWER HEADS
A-13
Table A-1 Conversion of VSWR to return loss
VSWR Return
loss
(dB)
VSWR Return
loss
(dB)
VSWR Return
loss
(dB)
VSWR Return
loss
(dB)
1.00
∞
1.21 20.4 1.54 13.4 1.96 9.8
1.01 46.1 1.22 20.1 1.56 13.2 1.98 9.7
1.02 40.1 1.23 19.7 1.58 13.0 2.00 9.5
1.03 36.6 1.24 19.4 1.60 12.7 2.50 7.4
1.04 34.2 1.25 19.1 1.62 12.5 3.00 6.0
1.05 32.3 1.26 18.8 1.64 12.3 3.50 5.1
1.06 30.7 1.27 18.5 1.66 12.1 4.00 4.4
1.07 29.4 1.28 18.2 1.68 11.9 4.50 3.9
1.08 28.3 1.29 17.9 1.70 11.7 5.00 3.5
1.09 27.3 1.30 17.7 1.72 11.5 5.50 3.2
1.10 26.4 1.32 17.2 1.74 11.4 6.00 2.9
1.11 25.7 1.34 16.8 1.76 11.2 6.50 2.7
1.12 24.9 1.36 16.3 1.78 11.0 7.00 2.5
1.13 24.3 1.38 15.9 1.80 10.9 7.50 2.3
1.14 23.7 1.40 15.6 1.82 10.7 8.00 2.2
1.15 23.1 1.42 15.2 1.84 10.6 8.50 2.1
1.16 22.6 1.44 14.9 1.86 10.4 9.00 1.9
1.17 22.1 1.46 14.6 1.88 10.3 9.50 1.8
1.18 21.7 1.48 14.3 1.90 10.2 10.00 1.7
1.19 21.2 1.50 14.0 1.92 10.0 11.00 1.6
1.20 20.8 1.52 13.7 1.94 9.9
Additional parts associated with directional power head
Supplied
Part no.
Lead Assembly with DIN plugs, 3 m 43130/591
Carrying Case HF version 46662/190
Carrying Case UHF version 46662/189
Optional
Lead Assembly with DIN plugs, 1 m 43130/590
Dual DIN Connector Assembly 44990/814