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

N4UPY callsign genealogy

Currently held by TITUS, RONALD 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 N4UPY's current licensee, walking backwards.

  1. KC4HMB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4UPY.

No current licensee on record previously held this callsign.

← Back to N4UPY License history →