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
AC1SC
Not currently held
· 1 holder on record
· available since Jun 23, 2026
Previous holder: GUY A MASON
Held AC1SC Nov 8, 2022 → Jun 22, 2024
· first licensed Mar 23, 2012 as KD0RJR
· 4 licenses · FRN 0021627419
KN0O
Active
Amateur Extra · vanity
Jun 22, 2024 → expires Jun 22, 2034
Licensee GUY A MASON
Address 116 Old Rockland St ROCKPORT, ME 04856
44.1578, -69.1171 (street) · Grid
FN54kd · CQ 5 · ITU 8 ·
map ↗
FRN 0021627419
Previous call AC1SC (General)
Last granted Jun 22, 2024
Effective Aug 6, 2024
Last action Aug 6, 2024
FCC actions (4)
Aug 6, 2024 — FCC action LIAUA Aug 6, 2024 — FCC action LIAUA Jun 22, 2024 — Vanity call sign granted VANGRT Jun 22, 2024 — License issued LIISS
AC1SC
Canceled
Amateur Extra
Nov 8, 2022 → Jun 22, 2024 (canceled)
Licensee GUY A MASON
Address 116 Old Rockand St ROCKPORT, ME 04856
44.1806, -69.1221 (ZIP center) · Grid
FN54ke · CQ 5 · ITU 8 ·
map ↗
FRN 0021627419
Previous call AC1SA (General)
Last granted Nov 8, 2022
Effective Jun 4, 2024
Last action Jun 22, 2024
FCC actions (3)
Jun 22, 2024 — License canceled LICAN Jun 4, 2024 — Systematic call sign granted SYSGRT Jun 4, 2024 — License issued LIISS
AC1SA
Canceled
Amateur Extra
Nov 8, 2022 → Jun 4, 2024 (canceled)
Licensee GUY A MASON
Address 116 Old Rockand St ROCKPORT, ME 04856
44.1806, -69.1221 (ZIP center) · Grid
FN54ke · CQ 5 · ITU 8 ·
map ↗
FRN 0021627419
Previous call KD0RJR (General)
Last granted Nov 8, 2022
Effective May 31, 2024
Last action Jun 4, 2024
FCC actions (3)
Jun 4, 2024 — License canceled LICAN May 31, 2024 — Systematic call sign granted SYSGRT May 31, 2024 — License issued LIISS
KD0RJR
Canceled
Amateur Extra
Mar 23, 2012 → May 31, 2024 (canceled)
Licensee GUY A MASON
Address 116 Old Rockand St ROCKPORT, ME 04856
44.1806, -69.1221 (ZIP center) · Grid
FN54ke · CQ 5 · ITU 8 ·
map ↗
FRN 0021627419
Last granted Nov 8, 2022
Effective May 31, 2024
Last action May 31, 2024
FCC actions (6)
May 31, 2024 — License canceled LICAN May 1, 2024 — License modified LIMOD Nov 8, 2022 — License renewed LIREN Apr 19, 2016 — FCC action LIAUA Mar 23, 2012 — License issued LIISS Mar 23, 2012 — 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, 2024 → Sep 27, 2026 · 9 snapshots · as KN0O
GUY A MASON
116 Old Rockland St, ROCKPORT, ME 04856
44.1578, -69.1171 (street) · Grid
FN54kd · CQ 5 · ITU 8 ·
map ↗
Seen Apr 27, 2024 → Sep 27, 2026 · 32 snapshots · as KD0RJR
Guy A Mason
116 Old Rockand St, Rockport, ME 04856
44.1806, -69.1221 (ZIP center) · Grid
FN54ke · CQ 5 · ITU 8 ·
map ↗
Seen Jun 30, 2016 → Apr 16, 2022 · 14 snapshots · as KD0RJR
Guy A Mason
2101 W Adriatic PL, Denver, CO 80110
39.6459, -105.0114 (ZIP center) · Grid
DM79lp · CQ 4 · ITU 7 ·
map ↗
Seen May 28, 2012 → Mar 16, 2016 · 18 snapshots · as KD0RJR
Guy A Mason
5045 W. 10th Ave., Denver, CO 80204
39.7348, -105.0207 (ZIP center) · Grid
DM79lr · CQ 4 · ITU 7 ·
map ↗
Data: FCC Universal Licensing System, amateur service · refreshed nightly
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