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

N5UIP callsign genealogy

Currently held by GRIFFIN, THOMAS L

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 N5UIP's current licensee, walking backwards.

  1. N5GTGcancelled· E
    GRIFFIN, THOMAS LARgranted 2021-07-12cancelled 2021-09-04
  2. N5NSOactive· T
    Ramos, EdgardoTXgranted 2023-08-01
  3. KG5VFYcancelled· T
    Ramos, EdgardoTXgranted 2017-10-03cancelled 2023-08-01

Successor callsigns

Callsigns held now by people who previously held N5UIP.

  1. N5NSOcancelled· E
    GRIFFIN, THOMAS LARgranted 2021-06-11cancelled 2021-07-12

All historical holders

Every license row we've seen with the callsign N5UIP, oldest first.

  • GRIFFIN, THOMAS L AR
    2021-05-25 → cancelled 2021-06-11
  • GRIFFIN, THOMAS L AR
    2021-09-04 active