NON HAM PROJECTS
- 42m tower goes high
- Welding tower
- BLF188XR Amplifier
- BLF188XR first test
- HF autotune linear GU84
- Station video
- CNC-Plasma cutter video
- OH8LQ QTH panorama
- QTH panorama 2
- Bird view of the 80 m yagi
- Plasma cutting table and THC
- Plasma cutting THC test
- Dropping ice I
- Dropping ice II
- CNC milling machine
- Tower works 29.8.2018
2 el 80 M YAGI
- Category: Uncategorised
- Published Date
- Hits: 15289
2 el yagi For 80 m band
The Yagi is home made. Element are shortened with coil and
capasitance hat. Total element length is about 26 m.
Coils are turned over the fiber class tube with 2 mm Cu wire.
Coils are coated by shrink tube. Capasitance hats are assembled just end
point of the coil.
Element tip is 6 m long fiber glass rod, inside of the rod is 2 mm aluminum mig
Element support ropes are Aramid rope, light and proof!
Here is used 4 mm Aramid rope
Middle support (old)
Tuning box! It's made possible work whole band 3,5 to 3,8 MHz.
Both elements needs own box.
Inside of the box is coils and relays. At the driver element box
including "hair-pin" match coil for impedance matching 20 ohms to 50 ohms!
The tuning box replacing at 40 meter. Niko 5-year looking around neighborhood.
New version of the antenna. 2015.
Element span support has been improved.
Brave climber Esa OH8KTN going icy pole