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Aviation Spectrum Resources Inc.
  • Aviation Radio LicensingExpand
    • ASRI® Ground Station Administration Service (AGSA)
    • AGSA Online Payment
    • How to Report Interference
    • Ground Station Interference Report
    • Help finding coordinates for your license
    • Ground Station Activity Reporting System (GSARS) Form
    • Ground Station Frequency Request Form
    • Ground Station Supplies Request Form
    • Decommission Request Form
    • How to Order ASRI Services
  • SELCALExpand
    • ASRI® Selective Calling (SELCAL) Registrar Services
    • How SELCAL Works
    • ASRI® SELCAL Registrar Services Application Form
    • ASRI® SELCAL Registrar Services – Processing Fee Schedule
    • How to Order ASRI Services
  • FCC License AssistanceExpand
    • ASRI® FCC License Assistance
    • Licensing Assistance Form
    • How to Order ASRI Services
  • AboutExpand
    • About ASRI®
    • Customer Portal
    • Links & Resources
    • Contact Us
  • AFC Membership
  • Contact Us
Aviation Spectrum Resources Inc.

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ASRI® Ground Station
Administration Service (AGSA)

ASRI’s AGSA Service provides frequencies for aviation business purposes to customers who have FCC-approved radio equipment. We assist with new frequency assignments, modifications & license renewals. ASRI manages the licenses for over 6,000 ground radio stations & performs 1,000 radio station inspections per year to verify compliance with the FCC Code of Federal Regulations.

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ASRI® Selective Calling
Registrar Services (SELCAL)

ASRI is the worldwide International Civil Aviation Organization (ICAO) registrar for all Selective Calling (SELCAL) system codes. SELCAL is a radio calling system used by ground station radio operators to initiate communications with aircraft. ASRI manages the issuing, annual verification, and decommissioning of all SELCAL codes.

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ASRI® FCC
License Assistance

ASRI® FCC Licensing Assistance service provides frequency management services and assists customers with FCC applications and renewals for other aviation related licenses such as UNICOM, GSO, ARRAS, AWOS, RCO, Microwave, and Handheld radio systems.

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Aviation Spectrum Resources, Inc.

180 Admiral Cochrane Drive, Suite 300, Annapolis, MD 21401

Pay Invoice+1-410-266-6030

© 2023 Aviation Spectrum Resources Inc. All Rights Reserved.

SELCAL customers, SELCAL 32-tone codes are now available to be assigned. Please be sure aircraft can be equipped with the new tone before applying.

  • Aviation Radio Licensing
    • ASRI® Ground Station Administration Service (AGSA)
    • AGSA Online Payment
    • How to Report Interference
    • Ground Station Interference Report
    • Help finding coordinates for your license
    • Ground Station Activity Reporting System (GSARS) Form
    • Ground Station Frequency Request Form
    • Ground Station Supplies Request Form
    • Decommission Request Form
    • How to Order ASRI Services
  • SELCAL
    • ASRI® Selective Calling (SELCAL) Registrar Services
    • How SELCAL Works
    • ASRI® SELCAL Registrar Services Application Form
    • ASRI® SELCAL Registrar Services – Processing Fee Schedule
    • How to Order ASRI Services
  • FCC License Assistance
    • ASRI® FCC License Assistance
    • Licensing Assistance Form
    • How to Order ASRI Services
  • About
    • About ASRI®
    • Customer Portal
    • Links & Resources
    • Contact Us
  • AFC Membership
  • Contact Us