I bought the NMO mounted antenna sold by Midland, which did not works as well as described. I tested it with a GMRS antenna tester for SWR, which was above the specks for my location. I ended up using a different NMO antenna, I'd bought for another project, which tested almost perfect 1:1 SWR.
__________________
'04 Newmar MADP, 1100w of solar, Rubicon toad
|