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 | Horenstein, Mark N |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Mark N Horenstein |
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| Street Address | 7023 S Buffalo St |
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| Po Box | |
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| Locality | Littleton |
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| County | Arapahoe County |
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| State | CO - Colorado |
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| Postal Code | 80120 |
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| Zip Location | 39°35'37.8"N 105°00'41.3"W |
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| Maidenhead | DM79lo |
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| FRN | 0007431836 |
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| Geo Region | 0 / CO |
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| Licensee ID/SGIN | L00548369 / 000 |
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| Callsign | WA1GIO |
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| Last Action Date | 2025-08-14 |
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| Radio Service | HV - Vanity |
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| App Purpose | AU - Administrative Update |
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| App Source | I - Online |
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| App Status | G - Granted |
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| Entered Timestamp | 2025-08-13 |
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| Fee Control Num | |
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| Orig Purpose | |
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| Receipt Date | Wed 2025-08-13 |
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| Payment Date | |
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| Is From Vec | |
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| Is Trustee | Y |
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| Operator Group | D - 2x3 |
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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 | D / 10 |
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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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