Forum Discussion
Gdetrailer
Jan 09, 2014Explorer III
camperpaul wrote:
Sorry to rain on your parade ...
The correct instrument to use is a "Network Analyzer" or a "Time Domain Reflectometer"
X2
You simply can not correctly test any antenna wire from flat twinlead to round coax using ANY "ohm" meter.
Ohm meters simply check to see if you have open, short or some resistance between the terminals of said meter.
In other words there is no need for ANY dummy load or resistors if you are simply checking for continuity (IE you have good connection).
So listen up people, DO NOT GO OUT AND WASTE YOUR MONEY BUYING DUMMY LOADS.
You can simply short one end of the wire and use the Ohm meter to check to see if there is a open or bad connection.
You can check with no connection on one end to see if there is a short. But you can not measure the IMPEDANCE of the cable using a Ohm meter.
Ohm meters use low voltage DC (direct current) and therefore does not measure impedance.
Impedance is a AC type measurement which can vary according to the design of the coax.
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