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


Engineer's Log of Mark W. Persons
New Spectrum Analyzer

December 5, 2008:  After many months of research and deliberation, a new Agilent N9340B Spectrum Analyzer was ordered and delivered to M. W. Persons.  This is an excellent tool to supplement the existing IFR A-7550 Spectrum Analyzer, which will continue to remain in service for some projects.  The new analyzer will do all of the necessary measurements for HD Radio where digital carriers are added to existing analog carriers on AM and FM stations.

Mark is a happy guy!   

Here is an example of a measurement made on an AM station to prove compliance with FCC rules.  
Here is a measurement made on an FM station running HD IBOC (In-Band On-Channel) mode where digital modulation added to the existing analog modulation of the station.  


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

Questions?  Email Mark Persons:  teki@mwpersons.com  

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page last edited 02/18/2016