Questions about preamps, how power can be fed etc

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majoco

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If I understand this correctly, you have three yagis up on a 60ft tower with coax down to individual amplifiers by your radios fed from power supplies to their 'power in' sockets.

The best way (IMHO) to do this is to have the amplifiers up by the antennas powered by DC up the coax with individual power inserters down by your radios. Most amplifiers have a jumper to change from external power to coax power.
 
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