N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

KM4MUG

✅ Available for a vanity request — free since Nov 11, 2017.

2x3 call: any licensee can request it. No pending applications list it.

Not currently held · 1 holder on record · available since Nov 11, 2017

Previous holder: Russell A Chatham

Held KM4MUG Aug 20, 2015 → Nov 10, 2015 · first licensed Aug 20, 2015 as KM4MUG · 2 licenses · FRN 0010930501

📦 Moved: Germantown, TN → Scottsdale, AZ

AD4TN Active Amateur Extra · vanity Nov 10, 2015 → expires Nov 10, 2035

Licensee
Russell A Chatham

Address
Attn: Russell A Chatham
7406 East Camino Rayo De Luz
Scottsdale, AZ 85266-4295
33.7843, -111.9212 (street) · Grid DM43as · CQ 3 · ITU 6 · map ↗

FRN
0010930501

Previous call
KM4MUG (General)

Last granted
Aug 21, 2025

Effective
Aug 21, 2025

Last action
Aug 21, 2025
FCC actions (5)
- Aug 21, 2025 — License renewed LIREN
- Aug 12, 2025 — FCC action LIAUA
- May 28, 2020 — FCC action LIAUA
- Nov 10, 2015 — Vanity call sign granted VANGRT
- Nov 10, 2015 — License issued LIISS
KM4MUG Canceled Amateur Extra Aug 20, 2015 → Nov 10, 2015 (canceled)

Licensee
Russell A Chatham

Address
1908 E Laurel Hollow Lane
Germantown, TN 38139
35.0829, -89.7548 (ZIP center) · Grid EM55cb · CQ 4 · ITU 8 · map ↗

FRN
0010930501

Last granted
Aug 20, 2015

Effective
Oct 16, 2015

Last action
Nov 10, 2015
FCC actions (5)
- Nov 10, 2015 — License canceled LICAN
- Oct 16, 2015 — License modified LIMOD
- Sep 18, 2015 — License modified LIMOD
- Aug 20, 2015 — License issued LIISS
- Aug 20, 2015 — 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 Sep 25, 2025 → Sep 27, 2026 · 2 snapshots · as AD4TN
Russell A Chatham
Attn: Russell A Chatham
7406 East Camino Rayo De Luz, Scottsdale, AZ 85266-4295
33.7843, -111.9212 (street) · Grid DM43as · CQ 3 · ITU 6 · map ↗
Seen Sep 18, 2015 → Sep 27, 2026 · 49 snapshots · as KM4MUG
Russell A Chatham
1908 E Laurel Hollow Lane, Germantown, TN 38139
35.0829, -89.7548 (ZIP center) · Grid EM55cb · CQ 4 · ITU 8 · map ↗
Seen Apr 16, 2022 → May 29, 2025 · 10 snapshots · as AD4TN
Russell A Chatham
Attn: Russell A Chatham
7406 E Camino Rayo De Luz, Scottsdale, AZ 85266-4295
33.7624, -111.9191 (ZIP center) · Grid DM43as · CQ 3 · ITU 6 · map ↗