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, WIKJ4RKA HAM
✅ Available for a vanity request — free since Oct 18, 2013.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user, last upload May 9, 2011 · not eQSL AG
Not currently held · 1 holder on record · available since Oct 18, 2013
Previous holder: Jonathan R Duffy
Held KJ4RKA Dec 23, 2009 → Oct 17, 2011 · first licensed Dec 23, 2009 as KJ4RKA · 3 licenses · FRN 0019437268
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📦 Moved: The Plains, VA → Surry, ME
- Licensee
- Jonathan R Duffy
- Address
- 75 Newbury Neck Road
Surry, ME 04684
- FRN
- 0019437268
- Previous call
- AK4NL (General)
- Last granted
- Apr 16, 2021
- Effective
- Sep 28, 2021
- Last action
- Sep 28, 2021
FCC actions (3)
- Sep 28, 2021 — Administrative update LIAUA
- Apr 16, 2021 — Vanity call sign granted VANGRT
- Apr 16, 2021 — License issued LIISS
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- Licensee
- Jonathan R Duffy
- Address
- PO Box 406
The Plains, VA 20198
- FRN
- 0019437268
- Previous call
- KJ4RKA (General)
- Last granted
- Nov 13, 2019
- Effective
- Dec 3, 2019
- Last action
- Apr 16, 2021
FCC actions (5)
- Apr 16, 2021 — License canceled LICAN
- Dec 3, 2019 — Administrative update LIAUA
- Nov 13, 2019 — License renewed LIREN
- Oct 17, 2011 — Systematic call sign granted SYSGRT
- Oct 17, 2011 — License issued LIISS
-
- Licensee
- Jonathan R Duffy
- Address
- PO Box 406
The Plains, VA 20198
- FRN
- 0019437268
- Last granted
- Dec 23, 2009
- Effective
- Oct 17, 2011
- Last action
- Oct 17, 2011
FCC actions (4)
- Oct 17, 2011 — License canceled LICAN
- Feb 25, 2010 — License modified LIMOD
- Dec 23, 2009 — License issued LIISS
- Dec 23, 2009 — 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 KJ4RKA in the last 24 hours. They show up here within seconds of KJ4RKA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.