i'd personally just re terminate the cable with a right angle bnc. solves both problems.
djones is bad about pm's on here, but the few times i needed something, i called the company number listed on their web page, and he answered both times.
we ordered a few high dollar things from them over last summer, and they were one of the vendors to do the install on my partner's department's rigs.
Also, you should see the antenna i got away with using on the scanner for the DTRS. completely tiny compared to the one i run the rest of the year. But when i was in colorado the last two summers, i only used the scanner for the digital. everything else was run thru one of two VHF radios in the truck.