N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · next update today 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, WIKN4ISJ HAM
✅ Available for a vanity request — free since Mar 21, 2020.
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 Mar 21, 2020
Previous holder: Jason Dudycha
Held KN4ISJ Jan 3, 2018 → Mar 20, 2018 · first licensed Jan 3, 2018 as KN4ISJ · 2 licenses · FRN 0026973883
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📦 Moved: North Fort Myers, FL → Holland, MI
- Licensee
- Jason Dudycha
- Address
- 3103 W. Meadow Springs Dr. - Apt #3
Holland, MI 49424
- FRN
- 0026973883
- Previous call
- KN4ISJ (General)
- Last granted
- Mar 20, 2018
- Effective
- Jul 23, 2022
- Last action
- Jul 23, 2022
FCC actions (4)
- Jul 23, 2022 — Administrative update LIAUA
- Jul 25, 2018 — License modified LIMOD
- Mar 20, 2018 — Vanity call sign granted VANGRT
- Mar 20, 2018 — License issued LIISS
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- Licensee
- Jason Dudycha
- Address
- C/o Dennis Dudycha 12811 Seaside Key Ct
North Fort Myers, FL 33903
- FRN
- 0026973883
- Last granted
- Jan 3, 2018
- Effective
- Feb 27, 2018
- Last action
- Mar 20, 2018
FCC actions (4)
- Mar 20, 2018 — License canceled LICAN
- Feb 27, 2018 — License modified LIMOD
- Jan 3, 2018 — License issued LIISS
- Jan 3, 2018 — 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 KN4ISJ in the last 24 hours. They show up here within seconds of KN4ISJ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.