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

 

 

Technical Tips from Mark W. Persons

Ideas that might help you at a Radio Station
Console rebuilding
 

A typical view of the M. W. Persons shop.  Ideas abound when products are installed at radio stations and when they come to the shop for repair. 
 
AM Tips:
 AM RF Harmonic Trap
 AM Unipole Detuning
 AM Coil Cleaning
AM Field Intensity Meter Repair
AM Receive Loop Antenna
AM Receive Wire Antenna
AM Gas and Air Arc Gaps  Updated 6/25/2011
Dummy load modifications to make it safe  New 10/24/2011
Dayton Industrial AF315 Receiver Modifications
GMC Car Radio Noise
Grounding Rod/Shorting Stick for Transmitters
 Harris MW-1 PA Module Repair
 Harris MW-10 Time Delay Relay
 McMartin BA-1K AM Transmitter
Nautel ND1 Front Door Brace
Nautel J1000 Air Filter Cleaning  New 9/22/2011
 RCA AM Oscillator Frequency Change
RF Oscillator for an older AM transmitter
RF Mixing Products on AM and FM
 Tower Welding
Transmitter Pass/Reject Filter
 Variable Coil Repair
 		 FM Tips:
 Antenna Troubleshooting
 Antenna Repair
 BE FM 25T FM Transmitter Repair
 BE FM 35A FM Transmitter Repair
 BE FX-30 Exciter Repair  New 12/30/2011
 CCA FM Transmitter HV Blocking Capacitor Repair
 Collins/Continental 2.5 KW FM Transmitter Repair
 Collins/Continental 815A 5 KW FM Transmitter IPA
 Collins/Continental 20-25 KW FM Transmitter Updates
Collins/Continental AM and FM Pushbutton Switches
Collins/Continental FM Transmitter Maintenance
Collins/Continental FM Transmitter IPA Drive Belt
 Continental 802A&B FM Exciter Repairs  Revised 12/20/2011
 Cutting Stainless Steel
 Grounding Rod/Shorting Stick for Transmitters
FM Interference
Filament Voltage Control Extended Range  New 10/31/2011
 Harris FM-20K Transmitter PA Door
 Harris FM-20K Transmitter work
Harris HT-5 Filament Adjust Modification  New 11/02/2011
Harris FM-25K and 35K Repairs
Harris MS-15 and MX-15 FM Exciter Updates  New 6/19/2011
 High-Voltage Transformer Repair
Harris THE-1 FM Exciter Repair
Power Connector Block Problem 
QEI Modulation Monitor Calibration
 Shorted Quarter-Wave Stub to protect exciters
Transmitter Power Output Chart
Tube Socket Repair
 
Transmitter Building Tips:
Gate Lock Weather Covering
Transmitter Site Cooling Fan Setup
Transmitter Site Building Air Filters
 		 Studio-Transmitter-Link Tips:
 Diversity Antenna Switch for STL Systems
 Moseley PCL-606 STL Receiver Repair
 Nicom STL Receiver Upgrade
 
Miscellaneous Tips:
 Audio Processing repair
 Audio RF Filter
Frequency Measuring
Hall Of Shame
Integrated Circuit Adapter
RF Radiation Measurements
Temporary 450 MHz RPU Antenna
Trouble in a 120 VAC Plug
Trouble in a 3-phase/240 VAC fused disconnect
 Standards...How would we get along without them?
Maintenance list for backup power generators		 Studio Tips:
 Arbitron Equipment Installation
 Grounding for an Arrakis 1200-10S Console
 Grounding for an Arrakis 2000SCT-12S Console
 Stanton C.500 CD Player Remote Control
Harris Stereo-5 Audio Console upgrade
Marti RPU Receiver Relay Modification
 Power fuse fix for Radio Systems Audio Consoles
Equipment Rack Grounding

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

Questions?     

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page last edited 12/30/2011