N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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, WIW3FUR HAM
✅ Available for a vanity request — free since Aug 2, 2025.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Jan 23, 2023 · not eQSL AG · QRZ · HamQTH
Not currently held · 2 holders on record · available since Aug 2, 2025
Previous holder: Pieter Knickerbocker
Held W3FUR May 3, 2022 → Aug 1, 2023 · first licensed Apr 15, 2022 as KE8UPG · 4 licenses · FRN 0025159526
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📦 Moved: Hebron, OH → Bellevue, WA
- Licensee
- Pieter Knickerbocker
- Address
- 12400 SE 38TH ST STE 70211
BELLEVUE, WA 98015-5163
- FRN
- 0025159526
- Previous call
- NV0J (General)
- Last granted
- Apr 9, 2024
- Effective
- Feb 4, 2025
- Last action
- Feb 4, 2025
FCC actions (4)
- Feb 4, 2025 — Administrative update LIAUA
- Feb 1, 2025 — Administrative update LIAUA
- Apr 9, 2024 — Vanity call sign granted VANGRT
- Apr 9, 2024 — License issued LIISS
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- Licensee
- Pieter Knickerbocker
- Address
- PO Box 1424
HEBRON, OH 43025-1424
- FRN
- 0025159526
- Previous call
- W3FUR (General)
- Last granted
- Aug 1, 2023
- Effective
- Aug 1, 2023
- Last action
- Apr 9, 2024
FCC actions (3)
- Apr 9, 2024 — License canceled LICAN
- Aug 1, 2023 — Vanity call sign granted VANGRT
- Aug 1, 2023 — License issued LIISS
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- Licensee
- Pieter Knickerbocker
- Address
- PO Box 1424
HEBRON, OH 43025-1424
- FRN
- 0025159526
- Previous call
- KE8UPG (General)
- Last granted
- May 3, 2022
- Effective
- Jul 14, 2023
- Last action
- Aug 1, 2023
FCC actions (6)
- Aug 1, 2023 — License canceled LICAN
- Jul 14, 2023 — Administrative update LIAUA
- Jun 2, 2022 — Administrative update LIAUA
- Jun 2, 2022 — Administrative update LIAUA
- May 3, 2022 — Vanity call sign granted VANGRT
- May 3, 2022 — License issued LIISS
-
- Licensee
- Pieter Knickerbocker
- Address
- PO Box 1424
HEBRON, OH 43025-1424
- FRN
- 0025159526
- Last granted
- Apr 15, 2022
- Effective
- Apr 25, 2022
- Last action
- May 3, 2022
FCC actions (5)
- May 3, 2022 — License canceled LICAN
- Apr 25, 2022 — License modified LIMOD
- Apr 18, 2022 — License modified LIMOD
- Apr 15, 2022 — License issued LIISS
- Apr 15, 2022 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Previous holder: WARREN E KRUMKE
Held W3FUR Feb 8, 1994 → Feb 8, 2004 · first licensed Feb 8, 1994 as W3FUR · 1 license · no FRN on file (pre-2001 records)
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- Licensee
- WARREN E KRUMKE
- Address
- PO Box 135
TALL TIMBERS, MD 20690
- Last granted
- Feb 8, 1994
- Effective
- Feb 8, 1994
- Last action
- Oct 28, 2022
FCC actions (1)
- Feb 9, 2006 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as W3FUR
WARREN E KRUMKE
PO Box 135
TALL TIMBERS, MD 20690
Others requesting W3FUR
6 applications listed W3FUR as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Feb 11, 2026 | Mar 1, 2026 | KC1YYS · Jared M LaCross · Willimantic, CT | 6 | Granted |
| Apr 15, 2022 | May 3, 2022 | KE8UPG · Pieter Knickerbocker · HEBRON, OH | 1 | Granted |
| Jun 8, 2015 | Jun 26, 2015 | KC3CYC · ANDREW J BORYAN · CHAMBERSBURG, PA | 2 | Granted |
| Dec 27, 2010 | Jan 14, 2011 | N5YWA · MICHAEL E SMITH · SCHERTZ, TX | 11 | Granted |
| Nov 30, 2010 | Dec 18, 2010 | KB1UUG · Douglas T Lally · Maynard, MA | 24 | Granted |
| May 7, 2009 | May 25, 2009 | KB3SWF · Furry Hams · Randallstown, MD | 3 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for W3FUR in the last 24 hours. They show up here within seconds of W3FUR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.