Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB8ZP callsign genealogy
Currently held by GROCKI, PHILIP S
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 AB8ZP's current licensee, walking backwards.
- GROCKI, PHILIP SMIgranted 2007-04-25cancelled 2007-09-21
Successor callsigns
Callsigns held now by people who previously held AB8ZP.
- GROCKI, PHILIP SMIgranted 2009-01-03cancelled 2012-03-23