Edward Cole expunged (kl7uw@acsalaska.net):
One reason to use N-connectors is that they assemble with the 9913 and LMR-400 foil shielded cables without need for soldering. Either the traditional compression-clamp style or crimp style do not require soldering the shield. The benefit is a better designed RF connector will less impedance "bump".
I tend to use LMR-400 and LMR-400UF for most projects, even at HF. I'm seriously considering purchasing a complete toolset from Times Microwave for terminating connectors. The tools are expensive, but there is nothing like knowing you have a solid cable.
Times Microwave has some great videos on their site showing proper installation of connectors, it's worth watching even if you don't plan on buying their tools.
http://www.timesmicrowave.com/connectors/videos.shtml
-Steve N1JFU