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 | Firpo, Mason R |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Mason R Firpo |
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| Street Address | 607 Asterbell Ct |
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| Po Box | |
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| Locality | San Ramon |
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| County | Contra Costa County |
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| State | CA - California |
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| Postal Code | 94582 |
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| Zip Location | 37°45'46.8"N 121°54'58.2"W |
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| Maidenhead | CM97bs |
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| FRN | 0025918459 |
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| Geo Region | 6 / CA |
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| Licensee ID/SGIN | L02053875 / 000 |
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| Callsign | KM6FIW |
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| Last Action Date | 2026-09-17 |
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| Radio Service | HA - Amateur |
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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 | 2026-09-16 |
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| Fee Control Num | PGC5322576 |
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| Orig Purpose | |
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| Receipt Date | Wed 2026-09-16 |
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| Payment Date | 2026-09-16 |
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| Is From Vec | |
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| Is Trustee | |
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| Operator Group | D - 2x3 |
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| Licensee Class | T - Technician |
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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 / 6 |
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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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