Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2TAP callsign genealogy
Currently held by Harding, Houston 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 K2TAP's current licensee, walking backwards.
- Harding, Houston RFLgranted 2021-03-03cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held K2TAP.
- ISOLDI, ROBERT FFLgranted 2020-12-29cancelled 2022-03-29
All historical holders
Every license row we've seen with the callsign K2TAP, oldest first.
- ISOLDI, ROBERT F NY2005-03-15 → cancelled 2011-03-25
- Harding, Houston R FL2021-03-23 active