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Radio Broadcast Technical Consulting and Sales
 
10032 Island Drive, Brainerd, MN  56401

 


Engineer's Log of Mark W. Persons
KXSS Radio in Waite Park, MN


April 29, 2008:  Mark Young, Chief Engineer for the St. Cloud, MN, group of Regent stations, reported a problem with a detuned tower near his 1390 KHz directional antenna system.  After not too much troubleshooting, he determined that lightning had hit the tower and crushed the top nine turns of a detuning network coil.  The lightning created a very high magnetic field in the coil.  You can see the results in the photo on the left.     
Mark removed the coil, straightened the turns, and the turned the coil over to use the other end. 

The detuning system works fine now with all parameters returning to normal.

 


The stories go on and on.  Stop in again sometime.  I'll leave the soldering iron on for you. 
Mark W. Persons
  
Ham WMH

Questions?  Email Mark Persons:  teki@mwpersons.com     

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page last edited 02/17/2016