This fellow has a lot of useful information and just returned from a successfl, though 'politically frustrating' deployment to Puerto Rice. Though a relatively new ham, this is noe very switched-ON person.
https://docs.google.com/document/d/1P56ox8COG64FXfVrU5nig16AgU19NS5b3EDf1LIO4lw/edit#heading=h.gjdgxs (https://docs.google.com/document/d/1P56ox8COG64FXfVrU5nig16AgU19NS5b3EDf1LIO4lw/edit#heading=h.gjdgxs)