WP4TWN
Individual Licensee
Active
WP4TWN is
an active
FCC Amateur Radio license
(Technician class) issued to Giancarlo Rivera
in San Juan, PR
. Granted February 11, 2026
; expires February 11, 2036.
License Details
Licensee Name
Giancarlo Rivera
Entity Type
Individual
Operator Class
Grant Date
February 11, 2026
Expiration Date
February 11, 2036
Radio Service
Amateur Radio
(HA)
FCC Registration Number (FRN)
0037987625
Location & Details
Address
1692 Calle Merida
City / State / ZIP
San Juan, PR
009264637
Browse State
Browse City
Call Sign Group
Group D
(2×3 or longer format, all classes)
Region Code
12
(FCC geographic call sign district)