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OK just my 2 cents  first you have a good radio  in the conex 3300  BUT if you use the amp  keep the  RF POWER  switch set  on lo  becaus  the amp you have  only needs 1 to 4 watts to see 100 watts  if your  radio was tuned right it should  top out around 45 to 48 watts when you talk  oh the HI RF POWER setting  you  can run the antenna  at 9 ft but  10 to 20 is better   you need to make shure you swrs  are between 1.1 and 1.5  BEST  a 2.0 will work but it will be hard on the amp   and  to  add that  yes what you are running  if  the FCC ever shows up on you door will git you  in some heat  but unles  you  act like  a big jurk or try to be king of the hill the fcc wont bother you  also if your  neighbors are on  direct tv or the like or good cable you  should not bother  them  

i run a cobra 148 and a 100 watt amp an a 35 amp power supply  into an A-99  that is 30 feet in the air at tip or antenna   i can talk  10 to 40 miles on a good day   also  the radio shack  swr  meter is an ok one to start but youl need a better 1 as you git more into the hobby   have fun   73's