Ask: hams within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI
KC1YYL
Not currently held
· 1 holder on record
Previous holder: Terry W Griffith Jr
Held KC1YYL Feb 6, 2026 → Apr 3, 2026
· first licensed Feb 6, 2026 as KC1YYL
· 2 licenses · FRN 0009622762
AG1D
Active
Amateur Extra · vanity
Apr 3, 2026 → expires Apr 3, 2036
Licensee Terry W Griffith Jr
Address 19 Madison Ave Watertown, MA 02472-3146
42.3783, -71.1955 (street) · Grid
FN42jj · CQ 5 · ITU 8 ·
map ↗
FRN 0009622762
Previous call KC1YYL (General)
Last granted Apr 3, 2026
Effective Apr 3, 2026
Last action Apr 3, 2026
FCC actions (2)
Apr 3, 2026 — Vanity call sign granted VANGRT Apr 3, 2026 — License issued LIISS
KC1YYL
Canceled
Amateur Extra
Feb 6, 2026 → Apr 3, 2026 (canceled)
Licensee Terry W Griffith Jr
Address 19 Madison Ave Watertown, MA 02472-3146
42.3783, -71.1955 (street) · Grid
FN42jj · CQ 5 · ITU 8 ·
map ↗
FRN 0009622762
Last granted Feb 6, 2026
Effective Feb 17, 2026
Last action Apr 3, 2026
FCC actions (5)
Apr 3, 2026 — License canceled LICAN Feb 17, 2026 — License modified LIMOD Feb 11, 2026 — License modified LIMOD Feb 6, 2026 — License issued LIISS Feb 6, 2026 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Sep 27, 2026 · 2 snapshots · as KC1YYL
Terry W Griffith Jr
19 Madison Ave, Watertown, MA 02472-3146
42.3783, -71.1955 (street) · Grid
FN42jj · CQ 5 · ITU 8 ·
map ↗
Data: FCC Universal Licensing System, amateur service · refreshed nightly
n9tpb.com · 73 de N9TPB