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IMSA Frequency Coordination

Use the Frequency Coordination Tab above for additional frequency coordination resources including on-line fee payment.

IMSA can coordinate any public safety frequency including:

  • 30-50 MHz
  • 150-173 MHz
  • 72-76 MHz (Call box)
  • 450-470 MHz
  • 470-512 MHz
  • 700 MHz
  • 800 MHz
  • Nextel Give-Back Channels are available!  IMSA can coordinate.  Call 855.803.1465 for more information

IMSA processes applications in the order of receipt on a non-discriminatory basis.  You do not have to be a member of IMSA to use our Frequency Coordination Services.

You may file your application on-line with

You may file hard copy applications.  There is a $110.00 additional fee for hard copy applications.

IMSA Frequency Coordination Staff Directory

Ralph A. Haller, General Manager

Frequency Coordinators

  • Michelle Fink, National Frequency Coordinator
  • Wendy Jeffres, Asst. National Frequency Coordinator
  • Bob Kimbro
  • Dave Pagel
  • Sharon Wagner
  • David Steinour
Financial Assistant
  • Janet Muncy
IMSA Frequency Coordination Staff Contact Information

Telephone: (717) 398-0822
Toll Free: 855-803-1465
Fax: (717) 778-4237

Mailing Address

IMSA Frequency Coordination
424 E Middle St - Rear Unit
Gettysburg PA 17325

Hours of Operation:
  • Monday - Friday  --  9:00am - 5:00pm (Eastern Time)
  • Closed on Holidays
© IMSA - International Municipal Signal Asssociation