Replacing Antenna SMA Connectors (multirotor FPV)

Here is how I go about replacing or adding a SMA connector to my antennas. Amazon................... RG316 SMA - RG316 RP SMA - RG402 SMA - RG402 RP SMA - Banggood .................. RG316SMA - RG316 RP SMA - Ebay........................ RG316 SMA - RG402 SMA -