kopia lustrzana https://github.com/DG1JAN/xOTA-Antenna
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README.md
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README.md
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# xOTA-Antenna
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A pcb for end fed antennas (EFHW, random wire) for SOTA, POTA,... xOTA
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**A pcb for end fed antennas (EFHW, random wire) for SOTA, POTA,... xOTA** <br /><br />
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maximum power rating:
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* FT-114-43: 25W SSB/CW or 10W FT8 (etc)
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* FT-82-43: 10W SSB/CM or 5W FT8 (etc)
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<br />
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![alt text](https://github.com/DG1JAN/xOTA-Antenna/blob/main/xOTA_Ant_3D_Pic1.png)
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![alt text](https://github.com/DG1JAN/xOTA-Antenna/blob/main/xOTA-Antenna_example_beta.jpg)
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*pictures are from prev. proto design, will be updated with v1.0 soon.
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BOM
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-----------------------------------------------------------------------------------------------------
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## BOM (1:49 UnUn for EFHW)
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(links to Distributors are only examples)
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1x PCB: custom order with gerber files e.g. from https://www.jlcpcb.com
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1x PCB: custom order from PCB manufacturer e.g. from https://www.jlcpcb.com or https://aisler.net/
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*here you can find the gerber files as ZIP-Archive: https://github.com/DG1JAN/xOTA-Antenna/blob/main/xota-gerber.zip <br />
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Manuel (Dl2MAN) has made a good video to explain the ordering process for JLCPCB and Aisler: https://www.youtube.com/watch?v=1b3oLp7s9gk&t=202s*
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1x Torroid - e.g. Fair-Rite 5943001001 (alt. Amidon FT114-43, or FT82-43 [with reduced power rating])
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https://www.digikey.de/de/products/detail/fair-rite-products-corp/5943001001/8599631?s=N4IgTCBcDaIKwE4AsBmADGgjBzg4AgAQgC6AvkA
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8 cm Shrink tube 40mm wide - e.g. ISOLATECH Shrink Tube 40mm 3:1 with glue
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https://www.amazon.de/gp/product/B06WVCGD7M/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1
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The winder can also be used with other UnUn windings (like 1:9, 1:4) to build non resonant ("random wire") endfed antennas.
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