Version 1.1
This is a compact and lightweight 145/435 MHz antenna designed for measuring tape 12.5x0.1 mm. Antenna Length 357 mm. Easy to assemble and disassemble.
Design:
El length position (from the edge of 1 element to the edge of the next)
1 1032 0
2 337 27
3 313 158
4 1017 180 (End-to-end length with 5 mm spacing)
5 312 254
6 926 313
7 298 357
Materials:
PVC pipe 20 mm (wall thickness 1,2 mm)
Measurement tape width 12,5Ñ…0.1 mm length 5m
M3 screws = x9
M3 nuts = x9
Coax cable
SMA connector https://aliexpress.ru/item/32954620990.html?spm=a2g0s.9042311.0.0.264d33ednOqQAO
cap_bottom.stl | 422.2KB | |
cap_top.stl | 321.3KB | |
cap_top_holder_10mm.stl | 342.8KB | |
tape-holder_145.stl | 120.2KB | |
tape-holder_435.stl | 89.0KB |