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

KD0FZY HAM

✅ Available for a vanity request — free since Dec 20, 2020.

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 Dec 20, 2020

Previous holder: Troy P Tretter

Held KD0FZY Dec 19, 2008 → Dec 19, 2018 · first licensed Dec 19, 2008 as KD0FZY · 1 license · FRN 0018359190

KD0FZY Expired Technician Dec 19, 2008 → Dec 19, 2018 (expired)

Licensee
Troy P Tretter

Address
7003 Polaris Ln N.
Maple Grove, MN 55311
45.1064, -93.4970 (ZIP center) · Grid EN35gc · CQ 4 · ITU 7 · map ↗

FRN
0018359190

Last granted
Dec 19, 2008

Effective
Apr 7, 2017

Last action
Dec 22, 2020
FCC actions (5)
- Dec 22, 2020 — License expired LIEXP
- Apr 7, 2017 — Administrative update LIAUA
- Jan 15, 2013 — Administrative update LIAUA
- Dec 19, 2008 — License issued LIISS
- Dec 19, 2008 — 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 May 12, 2017 → Oct 4, 2026 · 21 snapshots · as KD0FZY
Troy P Tretter
7003 Polaris Ln N., Maple Grove, MN 55311
45.1064, -93.4970 (ZIP center) · Grid EN35gc · CQ 4 · ITU 7 · map ↗
Seen Feb 18, 2013 → Feb 15, 2017 · 21 snapshots · as KD0FZY
Troy P Tretter
8948 Olive Lane North, Maple Grove, MN 55311
45.1064, -93.4970 (ZIP center) · Grid EN35gc · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Jul 26, 2012 · 5 snapshots · as KD0FZY
Troy P Tretter
8144 Main St N, Maple Grove, MN 55369
45.1274, -93.4492 (ZIP center) · Grid EN35gd · CQ 4 · ITU 7 · map ↗

Others requesting KD0FZY

1 application listed KD0FZY as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 18, 2011	Dec 6, 2011	KD0QBV · Bob Heald · Jefferson City, MO	23	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KD0FZY in the last 24 hours. They show up here within seconds of KD0FZY beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.