N9TPB
FCC License Search
🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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, WIKM4FCH HAM
✅ Available for a vanity request — free since Nov 8, 2016.
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 Nov 8, 2016
Previous holder: Darwin L Mach
Held KM4FCH Oct 20, 2014 → Nov 7, 2014 · first licensed Oct 20, 2014 as KM4FCH · 2 licenses · FRN 0023990146
-
- Licensee
- Darwin L Mach
- Address
- PO Box 816
Centreville, VA 20122
- FRN
- 0023990146
- Previous call
- KM4FCH (Technician)
- Last granted
- Aug 14, 2024
- Effective
- Aug 14, 2024
- Last action
- Aug 14, 2024
FCC actions (4)
- Aug 14, 2024 — License renewed LIREN
- Nov 8, 2014 — Administrative update LIAUA
- Nov 7, 2014 — Vanity call sign granted VANGRT
- Nov 7, 2014 — License issued LIISS
-
- Licensee
- Darwin L Mach
- Address
- PO Box 816
Centreville, VA 20122
- FRN
- 0023990146
- Last granted
- Oct 20, 2014
- Effective
- Nov 4, 2014
- Last action
- Nov 7, 2014
FCC actions (5)
- Nov 7, 2014 — License canceled LICAN
- Nov 4, 2014 — Administrative update LIAUA
- Oct 30, 2014 — License modified LIMOD
- Oct 20, 2014 — License issued LIISS
- Oct 20, 2014 — 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 Mar 28, 2015 → Sep 27, 2026 · 70 snapshots · as KM4FCH
Darwin L Mach
PO Box 816
Centreville, VA 20122
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KM4FCH in the last 24 hours. They show up here within seconds of KM4FCH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.