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, WIKB3RML HAM
✅ Available for a vanity request — free since Aug 9, 2010.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Aug 4, 2008 · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Aug 9, 2010
Previous holder: Sergej Zyrianov
Held KB3RML Jul 21, 2008 → Aug 8, 2008 · first licensed Jul 21, 2008 as KB3RML · 2 licenses · FRN 0017963166
-
- Licensee
- Sergej Zyrianov
- Address
- 3719 Singleton Ter
Frederick, MD 21704
- FRN
- 0017963166
- Previous call
- KB3RML (General)
- Last granted
- May 11, 2018
- Effective
- Oct 8, 2024
- Last action
- Oct 8, 2024
FCC actions (9)
- Oct 8, 2024 — Administrative update LIAUA
- Oct 28, 2020 — Administrative update LIAUA
- Dec 3, 2019 — Administrative update LIAUA
- May 11, 2018 — License renewed LIREN
- Aug 25, 2010 — License modified LIMOD
- Nov 24, 2009 — Administrative update LIAUA
- Aug 26, 2009 — License modified LIMOD
- Aug 8, 2008 — Vanity call sign granted VANGRT
- Aug 8, 2008 — License issued LIISS
-
- Licensee
- Sergej Zyrianov
- Address
- 4991 Pintail Ct
Frederick, MD 21703
- FRN
- 0017963166
- Last granted
- Jul 21, 2008
- Effective
- Jul 21, 2008
- Last action
- Aug 8, 2008
FCC actions (3)
- Aug 8, 2008 — License canceled LICAN
- Jul 21, 2008 — License issued LIISS
- Jul 21, 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 Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as K0KOC
Sergej Zyrianov
3719 Singleton Ter, Frederick, MD 21704 - Seen May 27, 2010 → Oct 4, 2026 · 47 snapshots · as KB3RML
Sergej Zyrianov
4991 Pintail Ct, Frederick, MD 21703 - Seen May 27, 2010 → May 6, 2019 · 34 snapshots · as K0KOC
Sergej Zyrianov
6610 Eider Ct, Frederick, MD 21703
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB3RML in the last 24 hours. They show up here within seconds of KB3RML beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.