🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 am CDT
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
KC1UJI
✅
Available for a vanity request — free since Apr 3, 2026.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Apr 3, 2026
Previous holder: John S Peterson
Held KC1UJI Mar 14, 2024 → Apr 2, 2024
· first licensed Mar 14, 2024 as KC1UJI
· 4 licenses · FRN 0034904805
W1JSP
Active
General · vanity
Mar 24, 2026 → expires Mar 24, 2036
Licensee John S Peterson
Address 44 CRESTWOOD DR Kingston, RI 02881
41.4760, -71.5335 (street) · Grid
FN41fl · CQ 5 · ITU 8 ·
map ↗
FRN 0034904805
Previous call N1SDX (Technician)
Last granted Mar 24, 2026
Effective Mar 24, 2026
Last action Mar 24, 2026
FCC actions (2)
Mar 24, 2026 — Vanity call sign granted VANGRT Mar 24, 2026 — License issued LIISS
N1SDX
Canceled
General · vanity
Feb 24, 2026 → Mar 24, 2026 (canceled)
Licensee John S Peterson
Address 44 CRESTWOOD DR Kingston, RI 02881
41.4760, -71.5335 (street) · Grid
FN41fl · CQ 5 · ITU 8 ·
map ↗
FRN 0034904805
Previous call N5JSP (Technician)
Last granted Feb 24, 2026
Effective Feb 24, 2026
Last action Mar 24, 2026
FCC actions (3)
Mar 24, 2026 — License canceled LICAN Feb 24, 2026 — Vanity call sign granted VANGRT Feb 24, 2026 — License issued LIISS
N5JSP
Canceled
General · vanity
Apr 2, 2024 → Feb 24, 2026 (canceled)
Licensee John S Peterson
Address 44 CRESTWOOD DR Kingston, RI 02881
41.4760, -71.5335 (street) · Grid
FN41fl · CQ 5 · ITU 8 ·
map ↗
FRN 0034904805
Previous call KC1UJI (Technician)
Last granted Apr 2, 2024
Effective Dec 16, 2024
Last action Feb 24, 2026
FCC actions (4)
Feb 24, 2026 — License canceled LICAN Dec 16, 2024 — License modified LIMOD Apr 2, 2024 — Vanity call sign granted VANGRT Apr 2, 2024 — License issued LIISS
KC1UJI
Canceled
Technician
Mar 14, 2024 → Apr 2, 2024 (canceled)
Licensee John S Peterson
Address 44 CRESTWOOD DR Kingston, RI 02881
41.4760, -71.5335 (street) · Grid
FN41fl · CQ 5 · ITU 8 ·
map ↗
FRN 0034904805
Last granted Mar 14, 2024
Effective Mar 14, 2024
Last action Apr 2, 2024
FCC actions (3)
Apr 2, 2024 — License canceled LICAN Mar 14, 2024 — License issued LIISS Mar 14, 2024 — 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 Apr 27, 2024 → Sep 27, 2026 · 24 snapshots · as KC1UJI
John S Peterson
44 CRESTWOOD DR, Kingston, RI 02881
41.4760, -71.5335 (street) · Grid
FN41fl · CQ 5 · ITU 8 ·
map ↗
Data: FCC Universal Licensing System, amateur service · refreshed nightly
n9tpb.com · 73 de N9TPB