Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2MBB callsign genealogy
Currently held by BLOCK, MARCENE B
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 K2MBB's current licensee, walking backwards.
- BLOCK, MARCENE BARgranted 1998-05-28cancelled 2000-07-18
Successor callsigns
Callsigns held now by people who previously held K2MBB.
- BLOCK, MARCENE BARgranted 2022-06-04