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Tape Measure Yagi Antenna 2m
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Custom 2m antenna using a tape measure and a PVC tube.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I built it using:
- ~3m total of tape measure, width 19mm (¾")
- ~80cm of Φ25 PVC tube
- RG58 cable
- 1x BNC female panel mount socket (note necessary)
- a piece of wire as a hairpin
- 6x screws M3x16 and 6x M3 nuts
- electrical tape
3D parts idea from this model.
Almost all the available models are using a 1" tape measure and I wanted to built it with 19mm (¾") tape measure. I tuned it using a nanoVNA and found that the SWR is better if I extend the driven elements from 451mm to 468mm.
I used it to send APRS messages to the ISS using a Quansheng UV-K5 radio (with custom firmware) and it worked fine.
Check these articles for instructions and dimensions:
https://theleggios.net/wb2hol/projects/rdf/tape_bm.htm
https://nt1k.com/vhf-3el-tape-measure-yagi/