N9TPB
FCC License Search
🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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, WIKO4PKC
✅ Available for a vanity request — free since Aug 28, 2023.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user, last upload Jul 22, 2021 · eQSL AG member
Not currently held · 1 holder on record · available since Aug 28, 2023
Previous holder: Isaac D Simmons
Held KO4PKC Apr 14, 2021 → Aug 27, 2021 · first licensed Apr 14, 2021 as KO4PKC · 2 licenses · FRN 0030647986
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📦 Moved: Gainesville, FL → Medford, MA
- Licensee
- Isaac D Simmons
- Address
- 8 Alfred St
Medford, MA 02155
- FRN
- 0030647986
- Previous call
- KO4PKC (Technician)
- Last granted
- Aug 27, 2021
- Effective
- Jun 30, 2026
- Last action
- Jun 30, 2026
FCC actions (5)
- Jun 30, 2026 — FCC action LIAUA
- Jul 12, 2024 — FCC action LIAUA
- Jun 10, 2022 — FCC action LIAUA
- Aug 27, 2021 — Vanity call sign granted VANGRT
- Aug 27, 2021 — License issued LIISS
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- Licensee
- Isaac D Simmons
- Address
- 1106 NE 10th Ave
Gainesville, FL 32601
- FRN
- 0030647986
- Last granted
- Apr 14, 2021
- Effective
- Jun 15, 2021
- Last action
- Aug 27, 2021
FCC actions (4)
- Aug 27, 2021 — License canceled LICAN
- Jun 15, 2021 — License modified LIMOD
- Apr 14, 2021 — License issued LIISS
- Apr 14, 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 Sep 27, 2026 · 1 snapshot · as NK0I
Isaac D Simmons
8 Alfred St, Medford, MA 02155 - Seen Apr 16, 2022 → Sep 27, 2026 · 13 snapshots · as KO4PKC
Isaac D Simmons
1106 NE 10th Ave, Gainesville, FL 32601 - Seen Sep 27, 2024 → Sep 25, 2025 · 8 snapshots · as NK0I
Isaac D Simmons
24 Mead St Unit 2, Cambridge, MA 02140 - Seen Apr 27, 2024 → Jul 1, 2024 · 2 snapshots · as NK0I
Isaac D Simmons
1 Whittemore Ave Apt 216, Cambridge, MA 02140