13FT-90R OPERATING MANUALInstallationFor reference, the chart below shows approximate loss figures for typically-avail-able coaxial cables frequently used in VHF/UHF installations.Loss in dB per 30 m (100 feet) for Selected 50 Ω Coaxial Cables(Assumes 50Ω Input/Output Terminations)Loss figures are approximate; consult cable manufacturers’catalogs for complete specifications.In outdoor installations, be certain to weatherproof all connectors thoroughly, aswater entering a coaxial cable will cause losses to escalate rapidly, thus diminish-ing your communications effectiveness. The use of the shortest possible length ofthe highest quality coaxial cable that fits within your budget will ensure the bestperformance from your FT-90R.Cable Type Loss: 144 MHz Loss: 440 MHzRG-58A 6.5 13RG-58 Foam 4.7 8.5RG-8A/-213 3.0 5.7RG-8 Foam 2.0 3.7Belden® 9913 1.5 2.71/2" Hardline 1.0 1.87/8" Hardline 0.7 1.3
