HAM radios come in all sizes, frequencies, output powers.  From large home rigs with tall towers to small handy-talkies that weigh less than a cell phone (and output less power).  Best bet is to get intouch with the local amateur radio club which could be found through the 
ARRL  Wander around that site for a while.  The link list at the top left contains a link to clubs.  You can look one up by location.  Amateur radio operators area always willing to teach a newbie.