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, WIKD0MLX HAM
✅ Available for a vanity request — free since Aug 14, 2012.
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 Aug 14, 2012
Previous holder: Missouri Digital Group
Held KD0MLX Jul 23, 2010 → Aug 13, 2010 · first licensed Jun 20, 2006 as KC0WZM · 7 licenses · FRN 0015195332
-
- Licensee
- Missouri Digital Group
- Address
- Attn: ROGER H VOLK
711 S Laclede Station Rd Apt 2120
Saint Louis, MO 63119
- FRN
- 0015195332
- Trustee
- K0GOB
- Last granted
- Sep 25, 2018
- Effective
- Sep 25, 2018
- Last action
- Sep 25, 2018
FCC actions (2)
- Sep 25, 2018 — License issued LIISS
- Sep 25, 2018 — Systematic call sign granted SYSGRT
-
- Licensee
- Missouri Digital Group
- Address
- Attn: ROGER H VOLK
711 S Laclede Station Rd Apt 2120
Saint Louis, MO 63119
- FRN
- 0015195332
- Previous call
- KD0MLX
- Trustee
- K0GOB
- Last granted
- Jun 19, 2020
- Effective
- Jun 19, 2020
- Last action
- Oct 9, 2024
FCC actions (6)
- Oct 9, 2024 — Record corrected COR
- Oct 9, 2024 — Record corrected COR
- Jun 19, 2020 — License renewed LIREN
- Sep 3, 2013 — Administrative update LIAUA
- Aug 13, 2010 — Vanity call sign granted VANGRT
- Aug 13, 2010 — License issued LIISS
-
📦 Moved: Ballwin, MO → Saint Louis, MO
- Licensee
- Missouri Digital Group
- Address
- Attn: ROGER H VOLK
4773 Oakbrier Dr
Saint Louis, MO 63128-2805
- FRN
- 0015195332
- Trustee
- K0GOB
- Last granted
- Jul 23, 2010
- Effective
- Jul 23, 2010
- Last action
- Aug 13, 2010
FCC actions (3)
- Aug 13, 2010 — License canceled LICAN
- Jul 23, 2010 — License issued LIISS
- Jul 23, 2010 — Systematic call sign granted SYSGRT
-
📦 Moved: St Louis, MO → Ballwin, MO
- Licensee
- Missouri Digital Group
- Address
- Attn: David L Maas
PO Box 41
Ballwin, MO 63022
- FRN
- 0015195332
- Previous call
- KD0ESY
- Trustee
- W0RH
- Last granted
- May 18, 2018
- Effective
- Jul 29, 2025
- Last action
- Jul 29, 2025
FCC actions (5)
- Jul 29, 2025 — License modified LIMOD
- May 18, 2018 — License renewed LIREN
- Apr 24, 2013 — Administrative update LIAUA
- Aug 12, 2008 — Vanity call sign granted VANGRT
- Aug 12, 2008 — License issued LIISS
-
📦 Moved: Saint Louis, MO → St Louis, MO
- Licensee
- Missouri Digital Group
- Address
- Attn: Roger H Volk
4773 Oakbrier Dr
St Louis, MO 63128
- FRN
- 0015195332
- Trustee
- K0GOB
- Last granted
- Jul 23, 2008
- Effective
- Jul 23, 2008
- Last action
- Aug 12, 2008
FCC actions (3)
- Aug 12, 2008 — License canceled LICAN
- Jul 23, 2008 — License issued LIISS
- Jul 23, 2008 — Systematic call sign granted SYSGRT
-
📦 Moved: St Louis, MO → Saint Louis, MO
- Licensee
- Missouri Digital Group
- Address
- Attn: ROGER H VOLK
711 S Laclede Station Rd Apt 2120
Saint Louis, MO 63119
- FRN
- 0015195332
- Previous call
- KC0WZM
- Trustee
- K0GOB
- Last granted
- Jul 21, 2006
- Effective
- Apr 24, 2013
- Last action
- Mar 13, 2024
FCC actions (4)
- Jul 24, 2018 — License expired LIEXP
- Apr 24, 2013 — Administrative update LIAUA
- Jul 21, 2006 — Vanity call sign granted VANGRT
- Jul 21, 2006 — License issued LIISS
-
- Licensee
- Missouri Digital Group
- Address
- Attn: ROGER H VOLK
4773 Oakbrier Dr
St Louis, MO 63128
- FRN
- 0015195332
- Trustee
- K0GOB
- Last granted
- Jun 20, 2006
- Effective
- Jun 20, 2006
- Last action
- Jul 21, 2006
FCC actions (3)
- Jul 21, 2006 — License canceled LICAN
- Jun 20, 2006 — License issued LIISS
- Jun 20, 2006 — 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 Sep 25, 2025 → Oct 4, 2026 · 3 snapshots · as W0MDG
Missouri Digital Group
Attn: David L Maas
PO Box 41
Ballwin, MO 63022 - Seen Oct 22, 2013 → Oct 4, 2026 · 129 snapshots · as K0MDG
Missouri Digital Group
Attn: ROGER H VOLK
711 S Laclede Station Rd Apt 2120, Saint Louis, MO 63119 - Seen Oct 17, 2011 → Oct 4, 2026 · 53 snapshots · as KD0MLX
Missouri Digital Group
Attn: ROGER H VOLK
4773 Oakbrier Dr, Saint Louis, MO 63128-2805 - Seen May 27, 2010 → Oct 4, 2026 · 110 snapshots · as KC0WZM
Missouri Digital Group
Attn: ROGER H VOLK
4773 Oakbrier Dr, St Louis, MO 63128
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD0MLX in the last 24 hours. They show up here within seconds of KD0MLX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.