N9TPB FCC License Search

🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 8:30 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

K4MRZ HAM

Amateur Extra class licensed since 2020 (6 yrs) K4MRZ since 2020 · previously KO4IBU Williamsburg, VA LoTW user

🔒 Not available — currently licensed, through Oct 27, 2030. If it isn't renewed, it opens for vanity requests Oct 28, 2032.

📬 QSL: LoTW user · last upload Jul 16, 2021 · not eQSL AG · QRZ · HamQTH

📝 K4MRZ has filed vanity applications before — latest filed Oct 7, 2020 · what was requested

Currently held by Moritz Schollbach · 2 holders on record

Current holder: Moritz Schollbach

Held K4MRZ Oct 27, 2020 → present · first licensed Oct 6, 2020 as KO4IBU · 2 licenses · FRN 0029964962

📦 Moved: Newport News, VA → Williamsburg, VA

K4MRZ Active Amateur Extra · vanity Oct 27, 2020 → expires Oct 27, 2030

Licensee
Moritz Schollbach

Address
PO Box 1470
Williamsburg, VA 23187

FRN
0029964962

Previous call
KO4IBU (General)

Last granted
Oct 27, 2020

Effective
Dec 15, 2021

Last action
Dec 15, 2021
FCC actions (5)
- Dec 15, 2021 — Administrative update LIAUA
- Jun 28, 2021 — License modified LIMOD
- May 12, 2021 — Administrative update LIAUA
- Oct 27, 2020 — Vanity call sign granted VANGRT
- Oct 27, 2020 — License issued LIISS
KO4IBU Canceled General Oct 6, 2020 → Oct 27, 2020 (canceled)

Licensee
Moritz Schollbach

Address
209 MONTICELLO CT APT 2C
NEWPORT NEWS, VA 23602-8151
37.1134, -76.5179 (ZIP center) · Grid FM17rc · CQ 5 · ITU 8 · map ↗

FRN
0029964962

Last granted
Oct 6, 2020

Effective
Oct 6, 2020

Last action
Oct 27, 2020
FCC actions (3)
- Oct 27, 2020 — License canceled LICAN
- Oct 6, 2020 — License issued LIISS
- Oct 6, 2020 — 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 Apr 16, 2022 → Sep 27, 2026 · 12 snapshots · as K4MRZ
Moritz Schollbach
PO Box 1470
Williamsburg, VA 23187
Seen Apr 16, 2022 → Sep 27, 2026 · 12 snapshots · as KO4IBU
Moritz Schollbach
209 MONTICELLO CT APT 2C, NEWPORT NEWS, VA 23602-8151
37.1134, -76.5179 (ZIP center) · Grid FM17rc · CQ 5 · ITU 8 · map ↗

Previous holder: CHARLES S WELLER

Held K4MRZ Jan 29, 2002 → Apr 28, 2012 · first licensed Jan 29, 2002 as K4MRZ · 1 license · FRN 0006264303

K4MRZ Expired Advanced Jan 29, 2002 → Apr 28, 2012 (expired)

Licensee
CHARLES S WELLER

Address
812 SHEPARD ST
MOREHEAD CITY, NC 28557-4250
34.7378, -76.7503 (ZIP center) · Grid FM14or · CQ 5 · ITU 8 · map ↗

FRN
0006264303

Last granted
Jan 29, 2002

Effective
Sep 11, 2002

Last action
Apr 29, 2014
FCC actions (4)
- Apr 29, 2014 — License expired LIEXP
- Sep 11, 2002 — Administrative update LIAUA
- Jan 29, 2002 — FCC action LITIN
- Jan 29, 2002 — License renewed LIREN

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 K4MRZ
CHARLES S WELLER
812 SHEPARD ST, MOREHEAD CITY, NC 28557-4250
34.7378, -76.7503 (ZIP center) · Grid FM14or · CQ 5 · ITU 8 · map ↗

Vanity applications filed by K4MRZ

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Oct 7, 2020 Granted Oct 27, 2020 0009253416	KO4IBU · Moritz Schollbach · General 209 MONTICELLO CT APT 2C, NEWPORT NEWS, VA 23602-8151 37.1134, -76.5179 (ZIP center) · Grid FM17rc · CQ 5 · ITU 8 · map ↗	1.K4MRZ ✓ granted 2.W4MGS held 3.KM0RTZ	Granted got K4MRZ

Others requesting K4MRZ

2 applications listed K4MRZ as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 12, 2025	Jun 30, 2025	KM4VFT · Martha K Holtzworth · Bagdad, KY	3	Dismissed
Oct 7, 2020	Oct 25, 2020	KO4IBU · Moritz Schollbach · NEWPORT NEWS, VA	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4MRZ in the last 24 hours. They show up here within seconds of K4MRZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.