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
Ask:
hams within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKN4SWF
✅ Available for a vanity request — free since Jun 2, 2022.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held · 1 holder on record · available since Jun 2, 2022
Previous holder: Allan Karden
Held KN4SWF Mar 7, 2019 → Jun 1, 2020 · first licensed Mar 7, 2019 as KN4SWF · 2 licenses · FRN 0027817899
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- Licensee
- Allan Karden
- Address
- PO Box 26341
Tamarac, FL 33320
- FRN
- 0027817899
- Previous call
- KN4SWF (General)
- Last granted
- Jun 1, 2020
- Effective
- Mar 23, 2021
- Last action
- Mar 23, 2021
FCC actions (5)
- Mar 23, 2021 — FCC action LIAUA
- Mar 15, 2021 — License modified LIMOD
- Mar 12, 2021 — FCC action LIAUA
- Jun 1, 2020 — Vanity call sign granted VANGRT
- Jun 1, 2020 — License issued LIISS
-
- Licensee
- Allan L Karden
- Address
- 8403 NW 80th Ct
Tamarac, FL 33321
- FRN
- 0027817899
- Last granted
- Mar 7, 2019
- Effective
- Nov 14, 2019
- Last action
- Jun 1, 2020
FCC actions (4)
- Jun 1, 2020 — License canceled LICAN
- Nov 14, 2019 — License modified LIMOD
- Mar 7, 2019 — License issued LIISS
- Mar 7, 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 KN4SWF in the last 24 hours. They show up here within seconds of KN4SWF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.