N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 2026) · next update today 6:00 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, WIKC1PJR HAM
✅ Available for a vanity request — free since Jun 26, 2026.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held · 1 holder on record · available since Jun 26, 2026
Previous holder: Katherine V Koster
Held KC1PJR Jun 1, 2021 → Jun 25, 2024 · first licensed Jun 1, 2021 as KC1PJR · 2 licenses · FRN 0030943930
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📦 Moved: Fairbanks, AK → Alstead, NH
- Licensee
- Katherine V Koster
- Address
- PO Box 101
Alstead, NH 03602
- FRN
- 0030943930
- Previous call
- KC1PJR (General)
- Last granted
- Jun 1, 2021
- Effective
- Mar 26, 2026
- Last action
- Mar 26, 2026
FCC actions (3)
- Mar 26, 2026 — Administrative update LIAUA
- Jun 25, 2024 — Systematic call sign granted SYSGRT
- Jun 25, 2024 — License issued LIISS
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- Licensee
- Katherine V Koster
- Address
- PO Box 60012
Fairbanks, AK 99706
- FRN
- 0030943930
- Last granted
- Jun 1, 2021
- Effective
- Jun 25, 2024
- Last action
- Jun 25, 2024
FCC actions (7)
- Jun 25, 2024 — License canceled LICAN
- Feb 15, 2024 — Administrative update LIAUA
- Dec 28, 2022 — Administrative update LIAUA
- Dec 27, 2022 — Administrative update LIAUA
- May 16, 2022 — License modified LIMOD
- Jun 1, 2021 — License issued LIISS
- Jun 1, 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.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KC1PJR in the last 24 hours. They show up here within seconds of KC1PJR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.