Field Name · Applicant
Italic names are derived; accent values differ from the applicant’s prior license.
| Applicant Type | I - Individual |
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| Entity Type | L - Licensee or Assignee |
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| Entity Name | O'Brien, John T |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | John T O'Brien |
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| Street Address | 9116 Cherbourg Drive |
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| Po Box | |
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| Locality | Potomac |
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| County | Montgomery County |
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| State | MD - Maryland |
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| Postal Code | 208543107 |
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| Zip Location | 39°01'58.0"N 77°13'15.0"W |
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| Maidenhead | FM19ja |
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| FRN | 0004989471 |
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| Geo Region | 3 / MD |
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| Licensee ID/SGIN | L00398725 / 000 |
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| Callsign | K3LO |
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| Last Action Date | 2026-08-08 |
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| Radio Service | HV - Vanity |
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| App Purpose | RO - Renewal Only |
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| App Source | I - Online |
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| App Status | G - Granted |
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| Entered Timestamp | 2026-08-07 |
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| Fee Control Num | PGC5289964 |
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| Orig Purpose | |
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| Receipt Date | Fri 2026-08-07 |
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| Payment Date | 2026-08-07 |
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| Is From Vec | |
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| Is Trustee | |
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| Operator Group | A - 1x2, 2x1, 2x2 |
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| Licensee Class | E - Amateur Extra |
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| New Seq Callsign | |
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| Trustee Callsign | |
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| Trustee Name | |
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| ULS Group / ULS Region | A / 3 |
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| Prev Callsign / Prev Class | |
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| Vanity Relationship | |
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| Vanity Type | |
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| Fee Exempt / Waiver | N / N |
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