CanesFan95
Analog already is interoperable.
The final finished install:




The DeWalt drill bit worked good after all. It ended up being real smooth with no hopping or wobbling/walking. I am not an experienced installer or whatever, but had no problems at all. So I think the final conclusion here is the hole saw is OK to use, but I wouldn't use it for a roof job. It does tend to punch through in a way that would make it risky in my opinion.
Overall, both antennas are working good and everything turned out great so far. The longer antenna on the left is a Larsen 2-meter/440 dual-bander for the hammy bands, and the short black antenna on the right is a Larsen 150/450/800 scanner antenna. My biggest regret was not doing the two antenna install 3 years ago in the first place. Now I have an ugly hole plug in the middle and may want to try and paint it silver to blend in better.
I agree, I'd have left the NMO mount there and just put on the NMO rain cap.
Those plugs work if sealed. On top of a full size truck, they'll disappear if painted the same color of the truck. Not sure how well that'll work on the trunk.
Because of the height of the top of a full size truck cab, a hole plug painted the same color as the truck is not as noticeable as one on the trunk of a car. How often are you looking down on the cab of a truck?Disappear? How's that??
The plastic hole plug fit very snug and tightly in place. So it's still possible it can leak? Honestly, it doesn't look/feel like it would leak at all.
Fastened both mounts not too tight and routed the coax into the car.
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Then added wire ties and put the trunk liner carpet back on:
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