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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K5BAO callsign genealogy

Currently held by MONTGOMERY, STANLEY 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 K5BAO's current licensee, walking backwards.

  1. AA5HQcancelled· E
    MONTGOMERY, STANLEY ROKgranted 1991-12-17cancelled 2001-10-23
  2. KB5BYJ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K5BAO.

No current licensee on record previously held this callsign.