N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 8, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)N3ZFO HAM 📻 GMRS
🔒 Not available — currently licensed, through Apr 29, 2027. If it isn't renewed, it opens for vanity requests Apr 30, 2029.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Currently held by Mark B Carlson · 1 holder on record
🗓 Active on 8 nets · last heard Oct 7, 2026
Current holder: Mark B Carlson
Held N3ZFO Apr 29, 1997 → present · first licensed Apr 29, 1997 as N3ZFO · 1 license · FRN 0016100943
-
- Licensee
- Mark B Carlson
- Address
- Attn: Mark B Carlson
PO Box 625
Dover, DE 19903
- FRN
- 0016100943
- Last granted
- Mar 20, 2017
- Effective
- Apr 2, 2025
- Last action
- Apr 2, 2025
FCC actions (5)
- Apr 2, 2025 — Administrative update LIAUA
- Mar 16, 2018 — License modified LIMOD
- Mar 20, 2017 — License renewed LIREN
- Feb 13, 2007 — License renewed LIREN
- Feb 13, 2007 — FCC action LITIN
Callbook Records, 1993–2003
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
- Seen Mar 9, 1998 → Apr 17, 2003 · 11 discs
N3ZFO · Technician · issued Apr 29, 1997, expires Apr 29, 2007
MARK B. CARLSON
1532 ALLEY CORNER RD, CLAYTON, DE 19938
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Nets
| Net | When | Frequency | Role | Times | Last |
|---|---|---|---|---|---|
| KCARC INFO AND TRAFFIC NET | Wed 6:30 PM · Wed 6:45 PM ET | 146.91 | Checked in | 5 | 2026-09-30 |
| KCARC ARES NET | Sat 8:30 AM ET | 146.91 | Checked in | 3 | 2026-09-26 |
| DELMARVA 8802 DMR NET | Mon 7:30 PM ET | TG 8802 | Checked in | 3 | 2026-09-21 |
| Just For Fun Net - KCARC | Tue 6:30 PM · Tue 6:45 PM ET | 146.91 | Checked in | 2 | 2026-09-29 |
| Weekly KCARCy Info_Traffic net | Wed 6:45 PM ET | 146.910 | Checked in | 1 | 2026-10-07 |
| DelMarva 8802 net - C_Bridge | Mon 7:30 PM · Mon 7:45 PM ET | 8802 | Checked in | 1 | 2026-10-05 |
| The Just for Fun Net (KCARC) | Tue 6:45 PM ET | 146.91 | Checked in | 1 | 2026-09-15 |
| KCARC Just For Fun Net | Tue 6:30 PM ET | 146.91 | Checked in | 1 | 2026-09-01 |
From nets logged with NetLogger since the start of collection.
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for N3ZFO in the last 24 hours. They show up here within seconds of N3ZFO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.