User's Manual

PRELIMINARY FCC ID: BIB61201001 INTALLATION 3-4
PRELIMINARY MCC-6120 SDR Packet Data Radio Network
LDF4A-50 ½ inch heliax .48 .500 15.0
LDF5A-50 7/8 inch heliax .26 .875 33.0
A table of cable loss (at 160 MHz) for various types of co-ax cable is given below for reference.
CABLE TYPE Loss/100 feet (db) Diam.
(Inches)
Weight/100 feet
(lbs.)
RG 223, RG 58 5.1 .211 3.4
RG 214, RG 8 2.6 .425 12.6
RG 17 1.8 .870 20.1
LMR-240 ultra flex 3.7 .240 3.4
LMR-400 ultra flex 1.9 .405 9.0
LDF4A-50 ½ inch heliax .82 .500 15.0
LDF5A-50 7/8 inch heliax .45 .875 33.0
A table of cable loss (at 1000 MHz) for various types of co-ax cable is given below for reference.
CABLE TYPE Loss/100 feet (db) Diam.
(Inches)
Weight/100 feet
(lbs.)
RG 223, RG 58 13.4 .211 3.4
RG 214, RG 8 7.3 .425 12.6
RG 17 5.3 .870 20.1
LMR-240 ultra flex 9.6 .240 3.4
LMR-400 ultra flex 4.9 .405 9.0
LDF4A-50 ½ inch heliax 2.2 .500 15.0
LDF5A-50 7/8 inch heliax 1.3 .875 33.0
A table of cable loss (at 2.4 GHz) for various types of co-ax cable is given below for reference.
CABLE TYPE Loss/100 feet (db) Diam.
(Inches)
Weight/100 feet
(lbs.)
RG 223, RG 58 21.8 .211 3.4
RG 214, RG 8 12.3 .425 12.6
RG 17 9.3 .870 20.1
LMR-240 ultra flex 15.2 .240 3.4
LDR-400 ultra flex 7.9 .405 9.0
LDF4A-50 ½ inch heliax 3.4 .500 15.0
LDF5A-50 7/8 inch heliax 1.9 .875 33.0
When operating at a fixed data collection site an antenna height of 20 feet above ground will
normally be sufficient.