uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NP3BF callsign genealogy

Currently held by TORRES OQUENDO, CARMEN D

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 NP3BF's current licensee, walking backwards.

  1. KP4BOBactive· T
    Negron-Santini, RobertoPRgranted 2021-10-05
  2. WP4OKcancelled· T
    Negron-Santini, RobertoPRgranted 2020-09-01cancelled 2021-10-05
  3. KA4ROBcancelled· T
    Negron-Santini, RobertoPRgranted 2019-06-25cancelled 2020-09-01

Successor callsigns

Callsigns held now by people who previously held NP3BF.

  1. NP3ARcancelled· T
    Negron-Santini, RobertoPRgranted 2012-01-21cancelled 2012-05-15

All historical holders

Every license row we've seen with the callsign NP3BF, oldest first.

  • TORRES OQUENDO, CARMEN D PR
    1996-05-31 → cancelled 2008-06-03
  • Negron-Santini, Roberto PR
    2011-11-29 → cancelled 2012-01-21
← Back to NP3BF License history →