N9TPB
FCC License Search
🕒 FCC license data updated yesterday 8:30 am CDT (FCC files through Oct 1, 2026) · next update today 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, WIK4HAX HAM 📻 GMRS
Amateur Extra class
licensed since 2014 (12 yrs)
K4HAX since 2014 · previously KM4FCH
Centreville, VA
GMRS WQVY577
on APRS 5 hr ago
🔒 Not available — currently licensed, through Nov 7, 2034. If it isn't renewed, it opens for vanity requests Nov 8, 2036.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
📝 K4HAX has filed vanity applications before — latest filed Oct 20, 2014 · what was requested
Currently held by Darwin L Mach · 1 holder on record
Current holder: Darwin L Mach
Held K4HAX Nov 7, 2014 → present · 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
Vanity applications filed by K4HAX
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 20, 2014
Granted Aug 14, 2024
0006509173 |
KM4FCH · Darwin L Mach
· Technician
13112 Mercury Ln, FAIRFAX, VA 22033-3711
|
Granted
got K4HAX
|
Others requesting K4HAX
6 applications listed K4HAX as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Apr 1, 2025 | Apr 19, 2025 | KQ4YQY · Herminio F Cardona · Cape Coral, FL | 16 | Granted |
| Apr 1, 2025 | Apr 19, 2025 | KQ4YQY · Herminio F Cardona · Cape Coral, FL | 14 | Granted |
| Dec 29, 2023 | Jan 16, 2024 | W4DBR · Daniel B Rosenfeld · Alexandria, VA | 1 | Dismissed |
| Oct 20, 2014 | Nov 7, 2014 | KM4FCH · Darwin L Mach · FAIRFAX, VA | 1 | Granted |
| May 30, 2014 | Jun 17, 2014 | KE0AMV · Shane F Liptak · Plattsmouth, NE | 3 | Granted |
| Feb 26, 2013 | Mar 16, 2013 | KK4MSK · MATTHEW C DI SOGRA · CALABASH, NC | 3 | Granted |
📡 On the air: APRS, digital & WSPR spots
📍 APRS
K4HAX-9 · 5 hr ago
Full history on aprs.fi →38.8583, -77.3917 · `147.300MHz T146 +060 Civilian Mode_%