N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 am CDT
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HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKO4SEK HAM
✅ Available for a vanity request — free since Aug 15, 2023.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Aug 15, 2023
Previous holder: Kevin M Jeffers Sr
Held KO4SEK Jul 27, 2021 → Aug 14, 2021 · first licensed Jul 27, 2021 as KO4SEK · 3 licenses · FRN 0031014129
-
- Licensee
- Kevin M Jeffers Sr
- Address
- PO Box 641
Christmas, FL 32709
- FRN
- 0031014129
- Previous call
- W6KMJ (General)
- Last granted
- Nov 30, 2024
- Effective
- Sep 5, 2025
- Last action
- Sep 5, 2025
FCC actions (5)
- Sep 5, 2025 — Administrative update LIAUA
- Sep 3, 2025 — Administrative update LIAUA
- Aug 26, 2025 — Administrative update LIAUA
- Nov 30, 2024 — Vanity call sign granted VANGRT
- Nov 30, 2024 — License issued LIISS
-
- Licensee
- Kevin M Jeffers Sr
- Address
- PO Box 641
Christmas, FL 32709
- FRN
- 0031014129
- Previous call
- KO4SEK (General)
- Last granted
- Aug 14, 2021
- Effective
- Aug 11, 2023
- Last action
- Nov 30, 2024
FCC actions (5)
- Nov 30, 2024 — License canceled LICAN
- Aug 11, 2023 — License modified LIMOD
- Jun 23, 2023 — License modified LIMOD
- Aug 14, 2021 — Vanity call sign granted VANGRT
- Aug 14, 2021 — License issued LIISS
-
- Licensee
- Kevin M Jeffers Sr
- Address
- PO Box 641
Christmas, FL 32709
- FRN
- 0031014129
- Last granted
- Jul 27, 2021
- Effective
- Jul 27, 2021
- Last action
- Aug 14, 2021
FCC actions (3)
- Aug 14, 2021 — License canceled LICAN
- Jul 27, 2021 — License issued LIISS
- Jul 27, 2021 — 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 16, 2022 → Oct 4, 2026 · 34 snapshots · as KO4SEK
Kevin M Jeffers Sr
PO Box 641
Christmas, FL 32709
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KO4SEK in the last 24 hours. They show up here within seconds of KO4SEK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.