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

K4PRP callsign genealogy

Currently held by Patterson, Paul R

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 K4PRP's current licensee, walking backwards.

  1. K9FHPactive· T
    Groth, Barbara MFLgranted 2017-01-04
  2. KM4ZPZcancelled· T
    Groth, Barbara MFLgranted 2016-12-14cancelled 2017-01-04

Successor callsigns

Callsigns held now by people who previously held K4PRP.

  1. WN4MDNactive· T
    Borkowski, Matt JFLgranted 2021-10-05
  2. K4PPactive· E
    Patterson, PaulALgranted 2020-09-22

All historical holders

Every license row we've seen with the callsign K4PRP, oldest first.

  • Patterson, Paul R AL
    2008-07-15 → cancelled 2010-11-13
  • Borkowski, Matt J FL
    2013-10-17 → cancelled 2021-10-05
← Back to K4PRP License history →