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| Coax choke: 14 Turns RG213 around a plastic pipe directly under the GPA. |
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| 1 inch = 2,54 cm. 7"=17,8 cm. 4.25" = 10,8 cm. |
QSL cards and HAM-radio stuff, etc. All about JOTA and Amateur radio "The greatest of all scientific hobbies."
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| Coax choke: 14 Turns RG213 around a plastic pipe directly under the GPA. |
![]() |
| 1 inch = 2,54 cm. 7"=17,8 cm. 4.25" = 10,8 cm. |
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| 14 elements horizontal yagi for 144 MHz |