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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AI7N callsign genealogy

Currently held by CLARKE, WILLIAM F

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by AI7N's current licensee, walking backwards.

  1. AE1NBcancelled· E
    BALE, NIKOLAUSIDgranted 2016-01-26cancelled 2018-05-01
  2. N7NMPcancelled· E
    BALE, NIKOLAUSIDgranted 2015-09-01cancelled 2016-01-26
  3. KG7VMHcancelled· G
    Bale, NikolausIDgranted 2015-08-13cancelled 2015-09-01

Successor callsigns

Callsigns held now by people who previously held AI7N.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AI7N, oldest first.

  • CLARKE, WILLIAM F AZ
    2006-02-25 → cancelled 2018-04-11
  • Bale, Nikolaus ID
    2018-05-01 active