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, WI

W0RBF HAM

✅ Available for a vanity request — free since Aug 31, 2021.

1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.

📬 QSL: LoTW user · last upload Apr 15, 2019 · not eQSL AG · QRZ · HamQTH

Not currently held · 2 holders on record · available since Aug 31, 2021

Previous holder: RALPH B FENZLAFF

Held W0RBF Nov 11, 2016 → Aug 30, 2019 · first licensed Jan 14, 2013 as KD0UCB · 3 licenses · FRN 0022273965

AB0Z Active Amateur Extra · vanity Aug 30, 2019 → expires Aug 30, 2029

Licensee
RALPH B FENZLAFF

Address
26150 E EUCLID DR
AURORA, CO 80016
39.5973, -104.6840 (street) · Grid DM79po · CQ 4 · ITU 7 · map ↗

FRN
0022273965

Previous call
W0RBF (General)

Last granted
Aug 30, 2019

Effective
Aug 30, 2019

Last action
Aug 30, 2019
FCC actions (2)
- Aug 30, 2019 — Vanity call sign granted VANGRT
- Aug 30, 2019 — License issued LIISS
W0RBF Canceled Amateur Extra · vanity Nov 11, 2016 → Aug 30, 2019 (canceled)

Licensee
RALPH B FENZLAFF

Address
26150 E EUCLID DR
AURORA, CO 80016
39.5973, -104.6840 (street) · Grid DM79po · CQ 4 · ITU 7 · map ↗

FRN
0022273965

Previous call
KD0UCB (General)

Last granted
Nov 11, 2016

Effective
Mar 11, 2019

Last action
Aug 30, 2019
FCC actions (4)
- Aug 30, 2019 — License canceled LICAN
- Mar 11, 2019 — License modified LIMOD
- Nov 11, 2016 — Vanity call sign granted VANGRT
- Nov 11, 2016 — License issued LIISS
KD0UCB Canceled General Jan 14, 2013 → Nov 11, 2016 (canceled)

Licensee
RALPH B FENZLAFF

Address
26150 E EUCLID DR
AURORA, CO 80016
39.5973, -104.6840 (street) · Grid DM79po · CQ 4 · ITU 7 · map ↗

FRN
0022273965

Last granted
Jan 14, 2013

Effective
Dec 18, 2013

Last action
Nov 11, 2016
FCC actions (4)
- Nov 11, 2016 — License canceled LICAN
- Dec 18, 2013 — License modified LIMOD
- Jan 14, 2013 — License issued LIISS
- Jan 14, 2013 — Systematic call sign granted SYSGRT

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Feb 18, 2013 → Sep 27, 2026 · 76 snapshots · as KD0UCB
Ralph B Fenzlaff
26150 E Euclid Dr, Aurora, CO 80016
39.5973, -104.6840 (street) · Grid DM79po · CQ 4 · ITU 7 · map ↗

Previous holder: HARRY E MOORE

Held W0RBF Nov 12, 1991 → Nov 12, 2001 · first licensed Nov 12, 1991 as W0RBF · 1 license · no FRN on file (pre-2001 records)

W0RBF Expired Advanced Nov 12, 1991 → Nov 12, 2001 (expired)

Licensee
HARRY E MOORE

Address
HCR 64 BOX 4260
MARBLE HILL, MO 63764
37.3286, -89.9696 (ZIP center) · Grid EM57ah · CQ 4 · ITU 8 · map ↗

Last granted
Nov 12, 1991

Effective
Nov 12, 1991

Last action
Nov 13, 2003
FCC actions (1)
- Nov 13, 2003 — 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 → Sep 27, 2026 · 47 snapshots · as W0RBF
HARRY E MOORE
HCR 64 BOX 4260, MARBLE HILL, MO 63764
37.3286, -89.9696 (ZIP center) · Grid EM57ah · CQ 4 · ITU 8 · map ↗

Others requesting W0RBF

2 applications listed W0RBF as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jan 15, 2025	Feb 2, 2025	KE2DUB · Robert B Fuller · Wayne, NJ	2	Granted
Oct 24, 2016	Nov 11, 2016	KD0UCB · RALPH B FENZLAFF · AURORA, CO	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W0RBF in the last 24 hours. They show up here within seconds of W0RBF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.