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
Ask:
HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKN4SJK HAM
✅ Available for a vanity request — free since Jun 5, 2021.
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 Jun 5, 2021
Previous holder: John E Madden
Held KN4SJK Feb 14, 2019 → Jun 4, 2019 · first licensed Feb 14, 2019 as KN4SJK · 2 licenses · FRN 0028231371
-
- Licensee
- John E Madden
- Address
- 109 Bowden Court
Winnabow, NC 28479
- FRN
- 0028231371
- Previous call
- KN4SJK (General)
- Last granted
- Jun 4, 2019
- Effective
- Jun 6, 2023
- Last action
- Jun 6, 2023
FCC actions (6)
- Jun 6, 2023 — Administrative update LIAUA
- Aug 14, 2020 — License modified LIMOD
- Jul 19, 2019 — Administrative update LIAUA
- Jun 14, 2019 — License modified LIMOD
- Jun 4, 2019 — Vanity call sign granted VANGRT
- Jun 4, 2019 — License issued LIISS
-
- Licensee
- John E Madden
- Address
- 109 Bowden Court
Winnabow, NC 28479
- FRN
- 0028231371
- Last granted
- Feb 14, 2019
- Effective
- May 14, 2019
- Last action
- Jun 4, 2019
FCC actions (4)
- Jun 4, 2019 — License canceled LICAN
- May 14, 2019 — Administrative update LIAUA
- Feb 14, 2019 — License issued LIISS
- Feb 14, 2019 — 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 KN4SJK in the last 24 hours. They show up here within seconds of KN4SJK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.