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Tri-Band Sleeved Collinear
Here is a Tri-Band 6/2/440 Collinear antenna that if built properly, using the materials suggested by the author, should give you years of service
post 26 Jan 2024
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Collinear antenna
This antenna design is better suited for people who don't have the expensive equipment needed for fine-tuning. Just build it to the exact specs, put it into a PVC pipe some call it a radome and it works
Coaxial Collinear Antenna
Another components are a connector type F or SMA, insulating tape, PVC pipe with the outer diameter 12 mm and suitable end-seal for this pipe
144 MHz Omnidirectional Horizontal Antenna
These antennas can be stacked to increase gain at low elevation angles and to decrease sensitivity to noise from high elevation angles
802.11 2.4Ghz Vertical Collinear Antenna Kit
The antenna is basically an array of dipoles that are phased aligned by meander line phase-reversal coils that mate each 1/2 wavelength element to one another
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This antenna design is better suited for people who don't have the expensive equipment needed for fine-tuning. Just build it to the exact specs, put it into a PVC pipe some call it a radome and it works
Another components are a connector type F or SMA, insulating tape, PVC pipe with the outer diameter 12 mm and suitable end-seal for this pipe
These antennas can be stacked to increase gain at low elevation angles and to decrease sensitivity to noise from high elevation angles
The antenna is basically an array of dipoles that are phased aligned by meander line phase-reversal coils that mate each 1/2 wavelength element to one another
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