[TowerTalk] 1 5/8" hardline to N female?

[billmilosz@aol.com]

Sorry, I guess I didn't give enough info.
 
This antenna is a Harris Skytiller SKH tuned to 106.7 MHz donated to a nonprofit group for use in LPFM service.  This is a commerical circularly-polarized VHF antenna. Installation details of the 10-watt xmitter reqires use of very flexible cable, hence some kind of RG-8X must be employed.  (Besides it's not really necessary to use 1 5/8 hardline at 10 watts.... though I'm sure the loss would be low, LOL) Hence, the need for N-to-1 5/8 adapter, and the volunteer / nonprofit nature of the project prohibits spending $200 for a commerical adpater.
 
SWR measurements were made with an MFJ-259B at the resonant frequency of 106.7, in addition I swept up and down and indeed it does reach a minima around 106.7- although the slope to the minima is a gentle one.  I also tried the transmitter and a decent quality directional power meter just in case my MFJ-259B was malfunctioning, but the results agreed between the two methods-  SWR greater than 5:1