N9TPB
FCC License Search
🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 7:15 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, WIKJ4KDC HAM
✅ Available for a vanity request — free since Apr 4, 2011.
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 Apr 4, 2011
Previous holder: Alexei Frolov
Held KJ4KDC Feb 23, 2009 → Apr 3, 2009 · first licensed Feb 23, 2009 as KJ4JSS · 3 licenses · FRN 0018512889
-
- Licensee
- Alexei Frolov
- Address
- 4535 Papillion Ct
Fredericksburg, VA 22408
- FRN
- 0018512889
- Previous call
- KJ4KDC (Technician)
- Last granted
- Mar 19, 2019
- Effective
- Mar 19, 2019
- Last action
- Mar 19, 2019
FCC actions (3)
- Mar 19, 2019 — License renewed LIREN
- Apr 3, 2009 — Vanity call sign granted VANGRT
- Apr 3, 2009 — License issued LIISS
-
- Licensee
- Alexei Frolov
- Address
- 4535 Papillion Ct
Fredericksburg, VA 22408
- FRN
- 0018512889
- Previous call
- KJ4JSS (Technician)
- Last granted
- Feb 23, 2009
- Effective
- Mar 9, 2009
- Last action
- Apr 3, 2009
FCC actions (3)
- Apr 3, 2009 — License canceled LICAN
- Mar 9, 2009 — Systematic call sign granted SYSGRT
- Mar 9, 2009 — License issued LIISS
-
- Licensee
- Alexei Frolov
- Address
- 4535 Papillion Ct
Fredericksburg, VA 22408
- FRN
- 0018512889
- Last granted
- Feb 23, 2009
- Effective
- Mar 9, 2009
- Last action
- Mar 9, 2009
FCC actions (4)
- Mar 9, 2009 — License canceled LICAN
- Mar 7, 2009 — Administrative update LIAUA
- Feb 23, 2009 — License issued LIISS
- Feb 23, 2009 — 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 May 27, 2010 → Sep 27, 2026 · 138 snapshots · as KJ4JSS
Alexei Frolov
4535 Papillion Ct, Fredericksburg, VA 22408
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KJ4KDC in the last 24 hours. They show up here within seconds of KJ4KDC beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.