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
NI0C
Currently held by Matthieu TIRELLI
· 2 holders on record
Current holder: Matthieu TIRELLI
Held NI0C Dec 16, 2025 → present
· first licensed Feb 26, 2025 as KO6IFA
· 2 licenses · FRN 0035667575
NI0C
Active
Amateur Extra · vanity
Dec 16, 2025 → expires Dec 16, 2035
Licensee Matthieu TIRELLI
Address PO Box 800882 Santa Clarita, CA 91380-0882
FRN 0035667575
Previous call KO6IFA (General)
Last granted Dec 16, 2025
Effective Dec 17, 2025
Last action Dec 17, 2025
FCC actions (3)
Dec 17, 2025 — FCC action LIAUA Dec 16, 2025 — Vanity call sign granted VANGRT Dec 16, 2025 — License issued LIISS
KO6IFA
Canceled
Amateur Extra
Feb 26, 2025 → Dec 16, 2025 (canceled)
Licensee Matthieu TIRELLI
Address PO Box 800882 Santa Clarita, CA 91380-0882
FRN 0035667575
Last granted Feb 26, 2025
Effective Dec 5, 2025
Last action Dec 16, 2025
FCC actions (7)
Dec 16, 2025 — License canceled LICAN Dec 5, 2025 — FCC action LIAUA Dec 4, 2025 — FCC action LIAUA Mar 24, 2025 — License modified LIMOD Mar 5, 2025 — License modified LIMOD Feb 26, 2025 — License issued LIISS Feb 26, 2025 — 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 KO6IFA
Matthieu TIRELLI
PO Box 800882 Santa Clarita, CA 91380-0882
Seen Mar 6, 2025 → Sep 25, 2025 · 5 snapshots · as KO6IFA
Matthieu TIRELLI
28042 Wildwind Rd, Santa Clarita, CA 91351
34.4337, -118.4581 (ZIP center) · Grid
DM04sk · CQ 3 · ITU 6 ·
map ↗
Previous holder: CHARLES J GUENTHER JR
Held NI0C Oct 31, 2005 → Nov 25, 2023
· first licensed Oct 31, 2005 as NI0C
· 2 licenses · FRN 0002272847
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Apr 25, 2025 → Sep 27, 2026 · 4 snapshots · as K0VSH
CHARLES J GUENTHER JR
Attn: Charles J. Guenther Jr 2587 Good Shepherd Ln, Green Bay, WI 54313
44.5396, -88.1002 (street) · Grid
EN54wm · CQ 4 · ITU 8 ·
map ↗
Seen Apr 27, 2024 → Sep 27, 2026 · 13 snapshots · as NI0C
CHARLES J GUENTHER JR
38 Godwin Lane, SAINT LOUIS, MO 63124
38.6366, -90.3747 (ZIP center) · Grid
EM48tp · CQ 4 · ITU 7 ·
map ↗
Seen Sep 27, 2024 → Mar 13, 2025 · 5 snapshots · as K0VSH
CHARLES J GUENTHER JR
Attn: Charles J. Guenther Jr 416 Holshire Way, Ballwin, MO 63011
38.6052, -90.5577 (ZIP center) · Grid
EM48ro · CQ 4 · ITU 7 ·
map ↗
Seen Nov 16, 2015 → Apr 16, 2022 · 19 snapshots · as NI0C
CHARLES J GUENTHER JR
40 WILLOW HILL ROAD, SAINT LOUIS, MO 63124
38.6366, -90.3747 (ZIP center) · Grid
EM48tp · CQ 4 · ITU 7 ·
map ↗
Seen Nov 7, 2004 → Sep 18, 2015 · 17 snapshots · as NI0C
CHARLES J GUENTHER JR
40 WILLOW HILL RD, SAINT LOUIS, MO 63124
38.6366, -90.3747 (ZIP center) · Grid
EM48tp · CQ 4 · ITU 7 ·
map ↗
Vanity requests for NI0C
6 applications listed NI0C as a choice, newest first.
Filed Award Applicant Choice # Status
Dec 4, 2025
Dec 22, 2025
KM7CZI · Kenneth P Sagee · Bremerton, WA
25 Granted Nov 28, 2025
Dec 16, 2025
KF0PDZ · Berend Karsjens · Boone, IA
4 Dismissed Nov 28, 2025
Dec 16, 2025
AF0EG · Evan Beauprez · SALIDA, CO
3 Dismissed Nov 26, 2025
Dec 14, 2025
KO6IFA · Matthieu TIRELLI · Santa Clarita, CA
10 Granted Nov 18, 2025
Dec 6, 2025
AA0JH · RICK R MC ENTIRE · NORTH PLATTE, NE
3 Dismissed Nov 17, 2025
Dec 5, 2025
AA0JH · RICK R MCENTIRE · NORTH PLATTE, NE
4 Dismissed
Data: FCC Universal Licensing System, amateur service · refreshed nightly
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