archer crosbow

[Edwin Arriaza]

does anyone have the schematics for this antenna?

Archer cat. 21-933 Crossbow III

Need to build one.

 

[BJ radionut]

http://diana.bib.uniurb.it/antweb/arrl/yagi.htm

https://sites.google.com/site/buildingcbantennas/3-element-wide-band-yagi-27-28-mhz

 

[BJ radionut]

https://www.rfwireless-world.com/calculators/3-element-Yagi-Antenna-Calculator.html

 

[Edwin Arriaza]

Thank you.

 

[BJ radionut]

Edwin: Have you check all the lengths of the 3 elements? Are all the connections correct?
If all correct: Then you slide the Gamma tube in or out to vary the tuning.
Moving that Gamma tubes maybe 1/2 inch in/out should change the tuning.
How is the beam antenna set-up when checking the tuning?

 

[BJ radionut]

https://sites.google.com/site/buildingcbantennas/gamma-match
http://www.iw5edi.com/ham-radio/2925/the-gamma-match

 

[midnight special]

the crossbow 3 is the realistic branded hygain made 3 element beam,,, just use the manual for hygain 3 element beam,,,you can get it on the mfj site,,,

 

[tramd]

Here ya go.