RG6QS @ 400 MHz has an attenuation of 3.73 dB, at 100'.
LMR400 @ 450MHz has an attenuation of 2.71 dB, at 100'.
It is 80' from my shack radio scanners to their corresponding antenna. I went el cheapo and ran RG6QS between all and the results have been dismal to say the least.
Question #1) Is 3.73dB (RG6QS) down to 2.71dB (LMR400) that noticeable for an 80' run of coax just for a scanner?
Question #2) Could my problem be in the added dB for the various connectors I am having to use?
Example: antenna #1 (centerfire discone) has a SO239 connector and I installed a PL259 (50 Ohm) to F connector (75 Ohm) connector so I could run RG6 to the scanner. Then at the scanner, I installed a BNC connector (Radio Shack 278-0126) on the RG6QS.
LMR400 @ 450MHz has an attenuation of 2.71 dB, at 100'.
It is 80' from my shack radio scanners to their corresponding antenna. I went el cheapo and ran RG6QS between all and the results have been dismal to say the least.
Question #1) Is 3.73dB (RG6QS) down to 2.71dB (LMR400) that noticeable for an 80' run of coax just for a scanner?
Question #2) Could my problem be in the added dB for the various connectors I am having to use?
Example: antenna #1 (centerfire discone) has a SO239 connector and I installed a PL259 (50 Ohm) to F connector (75 Ohm) connector so I could run RG6 to the scanner. Then at the scanner, I installed a BNC connector (Radio Shack 278-0126) on the RG6QS.
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