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To the OP - as mentioned, for that short a run there will be no significant difference between the two types of coax.

You may see a difference in SWR at the radio end if you were using a 100 foot run and comparing RG-8x and RG-213/LMR400. The additional loss in the RG-8x would show less reflect due to cable losses and therefore lowering the SWR reading at the radio. This doesn't change what the true SWR reading would be at the antenna.

[QUOTE="tba02, post: 578947, member: 39985"] To the OP - as mentioned, for that short a run there will be no significant difference between the two types of coax. You may see a difference in SWR at the radio end if you were using a 100 foot run and comparing RG-8x and RG-213/LMR400. The additional loss in the RG-8x would show less reflect due to cable losses and therefore lowering the SWR reading at the radio. This doesn't change what the true SWR reading would be at the antenna. [/QUOTE]

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