N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

W0GCR HAM

✅ Available for a vanity request — free since May 30, 2022.

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

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 2 holders on record · available since May 30, 2022

Previous holder: GRANT RETTKE

Held W0GCR Oct 4, 2019 → May 29, 2020 · first licensed Jan 30, 2017 as KD9HTR · 5 licenses · FRN 0026185652

NY5N Active Amateur Extra · vanity May 29, 2020 → expires May 29, 2030

Licensee
GRANT RETTKE

Address
4848 North Lydell Ave. Apt. 109
Milwaukee, WI 53217
43.1051, -87.9119 (street) · Grid EN63bc · CQ 4 · ITU 8 · map ↗

FRN
0026185652

Previous call
W0GCR (General)

Last granted
May 29, 2020

Effective
May 29, 2020

Last action
May 29, 2020
FCC actions (2)
- May 29, 2020 — Vanity call sign granted VANGRT
- May 29, 2020 — License issued LIISS
W0GCR Canceled Amateur Extra · vanity Oct 4, 2019 → May 29, 2020 (canceled)

Licensee
GRANT RETTKE

Address
4848 North Lydell Ave. Apt. 109
Milwaukee, WI 53217
43.1051, -87.9119 (street) · Grid EN63bc · CQ 4 · ITU 8 · map ↗

FRN
0026185652

Previous call
NY5N (General)

Last granted
Oct 4, 2019

Effective
Oct 4, 2019

Last action
May 29, 2020
FCC actions (3)
- May 29, 2020 — License canceled LICAN
- Oct 4, 2019 — Vanity call sign granted VANGRT
- Oct 4, 2019 — License issued LIISS
📦 Moved: Glendale, WI → Milwaukee, WI

NY5N Canceled Amateur Extra · vanity Apr 1, 2017 → Oct 4, 2019 (canceled)

Licensee
GRANT RETTKE

Address
4848 North Lydell Ave. Apt. 109
Milwaukee, WI 53217
43.1051, -87.9119 (street) · Grid EN63bc · CQ 4 · ITU 8 · map ↗

FRN
0026185652

Previous call
KR8IVE (General)

Last granted
Apr 1, 2017

Effective
Sep 17, 2019

Last action
Oct 4, 2019
FCC actions (4)
- Oct 4, 2019 — License canceled LICAN
- Sep 17, 2019 — Administrative update LIAUA
- Apr 1, 2017 — Vanity call sign granted VANGRT
- Apr 1, 2017 — License issued LIISS
KR8IVE Canceled Amateur Extra · vanity Feb 18, 2017 → Apr 1, 2017 (canceled)

Licensee
GRANT RETTKE

Address
4848 North Lydell Ave. Apt. 109
Glendale, WI 53217
43.1582, -87.9132 (ZIP center) · Grid EN63bd · CQ 4 · ITU 8 · map ↗

FRN
0026185652

Previous call
KD9HTR (General)

Last granted
Feb 18, 2017

Effective
Feb 27, 2017

Last action
Apr 1, 2017
FCC actions (4)
- Apr 1, 2017 — License canceled LICAN
- Feb 27, 2017 — License modified LIMOD
- Feb 18, 2017 — Vanity call sign granted VANGRT
- Feb 18, 2017 — License issued LIISS
KD9HTR Canceled General Jan 30, 2017 → Feb 18, 2017 (canceled)

Licensee
Grant Rettke

Address
4848 North Lydell Ave. Apt. 109
Glendale, WI 53217
43.1582, -87.9132 (ZIP center) · Grid EN63bd · CQ 4 · ITU 8 · map ↗

FRN
0026185652

Last granted
Jan 30, 2017

Effective
Jan 30, 2017

Last action
Feb 18, 2017
FCC actions (3)
- Feb 18, 2017 — License canceled LICAN
- Jan 30, 2017 — License issued LIISS
- Jan 30, 2017 — 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 → Oct 4, 2026 · 39 snapshots · as NY5N
GRANT RETTKE
4848 North Lydell Ave. Apt. 109, Milwaukee, WI 53217
43.1051, -87.9119 (street) · Grid EN63bc · CQ 4 · ITU 8 · map ↗
Seen May 12, 2017 → Oct 4, 2026 · 29 snapshots · as KR8IVE
GRANT RETTKE
4848 North Lydell Ave. Apt. 109, Glendale, WI 53217
43.1582, -87.9132 (ZIP center) · Grid EN63bd · CQ 4 · ITU 8 · map ↗
Seen Feb 15, 2017 → Oct 4, 2026 · 22 snapshots · as KD9HTR
Grant Rettke
4848 North Lydell Ave. Apt. 109, Glendale, WI 53217
43.1582, -87.9132 (ZIP center) · Grid EN63bd · CQ 4 · ITU 8 · map ↗

Previous holder: CLARENCE G CARLSON

Held W0GCR Jun 28, 1988 → Sep 20, 1997 · first licensed Jun 28, 1988 as W0GCR · 1 license · no FRN on file (pre-2001 records)

W0GCR Canceled Advanced Jun 28, 1988 → Sep 20, 1997 (canceled)

Licensee
CLARENCE G CARLSON

Address
1962 HAZELWOOD AVE
MAPLEWOOD, MN 55109
45.0166, -93.0267 (ZIP center) · Grid EN35la · CQ 4 · ITU 7 · map ↗

Last granted
Jun 28, 1988

Effective
Jun 28, 1988

Last action
Nov 20, 1997

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 W0GCR
CLARENCE G CARLSON
1962 HAZELWOOD AVE, MAPLEWOOD, MN 55109
45.0166, -93.0267 (ZIP center) · Grid EN35la · CQ 4 · ITU 7 · map ↗

Others requesting W0GCR

2 applications listed W0GCR as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 31, 2022	Jun 18, 2022	KG5UHO · Robert L Chatham · San Antonio, TX	14	Granted
Sep 16, 2019	Oct 4, 2019	NY5N · GRANT RETTKE · Milwaukee, WI	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for W0GCR in the last 24 hours. They show up here within seconds of W0GCR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.