N9TPB
FCC License Search
🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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, WIKB3SFP HAM
✅ Available for a vanity request — free since Feb 19, 2011.
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 Feb 19, 2011
Previous holder: MT HOLLY DX ASSOCIATION
Held KB3SFP Jan 27, 2009 → Feb 18, 2009 · first licensed Mar 18, 2003 as K3SV · 5 licenses · FRN 0003107380
-
- Licensee
- MT HOLLY DX ASSOCIATION
- Address
- Attn: WILLIAM L GILLENWATER
11321 Grandview Dr
Dade City, FL 33525
- FRN
- 0003107380
- Previous call
- NN4NN
- Trustee
- K3SV
- Last granted
- Dec 30, 2025
- Effective
- Dec 30, 2025
- Last action
- Dec 30, 2025
FCC actions (2)
- Dec 30, 2025 — Vanity call sign granted VANGRT
- Dec 30, 2025 — License issued LIISS
-
📦 Moved: Carlisle, PA → Dade City, FL
- Licensee
- MT HOLLY DX ASSOCIATION
- Address
- Attn: WILLIAM L GILLENWATER
11321 Grandview Dr
Dade City, FL 33525
- FRN
- 0003107380
- Previous call
- NY3DX
- Trustee
- K3SV
- Last granted
- Dec 29, 2020
- Effective
- Jan 6, 2021
- Last action
- Dec 30, 2025
FCC actions (4)
- Dec 30, 2025 — License canceled LICAN
- Jan 6, 2021 — Administrative update LIAUA
- Dec 29, 2020 — Vanity call sign granted VANGRT
- Dec 29, 2020 — License issued LIISS
-
- Licensee
- MT HOLLY DX ASSOCIATION
- Address
- Attn: WILLIAM L GILLENWATER
826 BURNTHOUSE ROAD
CARLISLE, PA 17015
- FRN
- 0003107380
- Previous call
- KB3SFP
- Trustee
- K3SV
- Last granted
- Nov 21, 2018
- Effective
- Nov 21, 2018
- Last action
- Dec 29, 2020
FCC actions (6)
- Dec 29, 2020 — License canceled LICAN
- Nov 21, 2018 — License renewed LIREN
- May 23, 2014 — FCC action LTSFND
- May 22, 2014 — FCC action ESCFRN
- Feb 18, 2009 — Vanity call sign granted VANGRT
- Feb 18, 2009 — License issued LIISS
-
📦 Moved: Dade City, FL → Carlisle, PA
- Licensee
- MT HOLLY DX ASSOCIATION
- Address
- Attn: WILLIAM L GILLENWATER
826 BURNTHOUSE ROAD
CARLISLE, PA 17015
- FRN
- 0018459339
- Trustee
- K3SV
- Last granted
- Jan 27, 2009
- Effective
- Jan 27, 2009
- Last action
- Feb 18, 2009
FCC actions (3)
- Feb 18, 2009 — License canceled LICAN
- Jan 27, 2009 — License issued LIISS
- Jan 27, 2009 — Systematic call sign granted SYSGRT
-
- Licensee
- William L Gillenwater
- Address
- Attn: William L. Gillenwater
11321 Grandview Drive
Dade City, FL 33525
- FRN
- 0003107380
- Previous call
- NY3G (Advanced)
- Last granted
- Aug 9, 2016
- Effective
- Mar 9, 2021
- Last action
- Mar 9, 2021
FCC actions (6)
- Mar 9, 2021 — Administrative update LIAUA
- Aug 9, 2016 — License renewed LIREN
- May 16, 2014 — Administrative update LIAUA
- Nov 23, 2006 — Administrative update LIAUA
- Aug 8, 2006 — License renewed LIREN
- Mar 18, 2003 — Administrative update LIAUA
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Apr 16, 2022 → Sep 27, 2026 · 13 snapshots · as NN4NN
MT HOLLY DX ASSOCIATION
Attn: WILLIAM L GILLENWATER
11321 Grandview Dr, Dade City, FL 33525 - Seen May 22, 2014 → Sep 27, 2026 · 36 snapshots · as K3SV
William L Gillenwater
Attn: William L. Gillenwater
11321 Grandview Drive, Dade City, FL 33525 - Seen May 27, 2010 → Sep 27, 2026 · 92 snapshots · as KB3SFP
MT HOLLY DX ASSOCIATION
Attn: WILLIAM L GILLENWATER
826 BURNTHOUSE ROAD, CARLISLE, PA 17015 - Seen May 27, 2010 → Mar 28, 2014 · 10 snapshots · as K3SV
William L Gillenwater
826 Burnthouse Road, Carlisle, PA 17015 - Seen Nov 7, 2004 · 1 snapshot · as K3SV
William L Gillenwater
1277 Peach Ridge Rd, Elliotsburg, PA 17024
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB3SFP in the last 24 hours. They show up here within seconds of KB3SFP beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.