Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1PN callsign genealogy
Currently held by VISWANATHAN, PRAKASH
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 AB1PN's current licensee, walking backwards.
- VISWANATHAN, PRAKASHMAgranted 2011-06-17cancelled 2011-08-26
Successor callsigns
Callsigns held now by people who previously held AB1PN.
No current licensee on record previously held this callsign.