Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3BWB callsign genealogy
Currently held by SARDARO, MARK
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 KB3BWB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB3BWB.
- N3CDPactivePHILADELPHIA AREA REPEATER ASSOCPAgranted 2018-01-09