Fw: [aprssig] Re: I'm gonna drill....Right tool for the job..

[tvsjr at sprynet.com]

> If you are using the 3/8" mount that is not considered an NMO mount. That is
> considered a Larsen or PL-259 type connection. The NMO is a specific
> reference to the original Motorola design with the 3/4" hole. 

Wrong.

http://www.tessco.com/products/displayProducts.do?groupId=365&subgroupId=10

Page through and learn. There are also a few that use a 5/8" hole, snap-in types using the 3/8" hole, pivoting mounts, all sorts of widgets... all NMO mounts.