KB1MMN
Individual Licensee
Active
KB1MMN is
an active
FCC Amateur Radio license
(Technician class) issued to Mark T. Sienkiewicz
in EASTHAMPTON, MA
. Granted May 10, 2025
; expires June 27, 2035.
License Details
Licensee Name
Mark T. Sienkiewicz
Entity Type
Individual
Operator Class
Grant Date
May 10, 2025
Expiration Date
June 27, 2035
Radio Service
Amateur Radio
(HA)
FCC Registration Number (FRN)
0013687280
Location & Details
Address
51 EAST STREET
City / State / ZIP
EASTHAMPTON, MA
010271209
Browse State
Browse City
Trustee
Mark Thomas Sienkiewicz
Call Sign Group
Group D
(2×3 or longer format, all classes)
Region Code
1
(FCC geographic call sign district)