Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4KK callsign genealogy
Currently held by ACOBE, JOSE E
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 WP4KK's current licensee, walking backwards.
- ACOBE, JOSE EPRgranted 2013-11-08cancelled 2017-07-04
Successor callsigns
Callsigns held now by people who previously held WP4KK.
- ACOBE, JOSE EPRgranted 2020-10-06
All historical holders
Every license row we've seen with the callsign WP4KK, oldest first.
- OLMEDA, CANDIDO F PR1997-07-18 → cancelled 2009-07-21
- ACOBE, JOSE E PR2017-07-04 → cancelled 2020-10-06