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 | Yonker, Mason O |
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| Attention | |
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| First Name / Middle Init / Last Name / Name Suffix | Mason O Yonker |
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| Street Address | 2071 19th Ave |
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| Po Box | |
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| Locality | San Francisco |
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| County | San Francisco County |
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| State | CA - California |
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| Postal Code | 94116 |
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| Zip Location | 37°44'43.4"N 122°29'09.8"W |
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| Maidenhead | CM87sr |
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| FRN | 0036127439 |
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| Geo Region | 6 / CA |
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| Licensee ID/SGIN | L03040042 / 000 |
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| Callsign | KO6NMJ |
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| Last Action Date | 2026-05-01 |
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| Radio Service | HA - Amateur |
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| App Purpose | NE - New |
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| App Source | B - Batch |
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| App Status | G - Granted |
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| Entered Timestamp | 2026-04-30 |
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| Fee Control Num | PGC5210894 |
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| Orig Purpose | NE - New |
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| Receipt Date | Thu 2026-04-30 |
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| Payment Date | 2026-04-30 |
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| Is From Vec | · Y |
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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 | N |
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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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