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

AA7RF callsign genealogy

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 AA7RF's current licensee, walking backwards.

  1. K2CJactive· E
    LUMP, CARL JNJgranted 2016-09-07
  2. N2ABactive· E
    Gruber, Dan MNJgranted 2019-02-01
  3. KC2TNYcancelled· E
    Gruber, Dan MNJgranted 2008-06-13cancelled 2008-12-05

Successor callsigns

Callsigns held now by people who previously held AA7RF.

  1. K4MEWactive· E
    Jamrogowicz, Carrie AMTgranted 2025-05-30
  2. W7BOactive· E
    BURKE, JOHN JWAgranted 2017-06-07

All historical holders

Every license row we've seen with the callsign AA7RF, oldest first.

  • JAMROGOWICZ, CARRIE A MT
    2024-11-14 → cancelled 2025-05-30
  • —
    — → cancelled 1997-08-08
← Back to AA7RF License history →