Differences

This shows you the differences between two versions of the page.

--- 2m0iig-satellite-yagi [2022/08/25 21:22] – [Build Process] mm3iig
+++ 2m0iig-satellite-yagi [2022/08/27 21:08] – 2m0iig
@@ Line 11: / Line 11: @@
 <WRAP left round box half>
 ===== Parts List =====
-{{ :1_materials.jpg?direct&300|}}
+{{:1_materials.jpg?direct&300| }}
   * 1m section of 20mm rigid PVC conduit
   * 3 x 20mm conduit spacer bars
@@ Line 67: / Line 67: @@
 Initially I used some tape to hold the spacer bars in place while I tuned the antenna on a VNA. I used the dimensions Adam gave as a starting point and retracted the telescopic lengths until I had a decent tune on both 70cm and 2m. I then slid the spacer bars a tiny bit back and forth and checked the tune. After dialling it in well I drilled a hole in the middle of each top clip and used some self-tapping screws to firmly secure the bars to the pole section.
-And that is basically it. Keep the M3 bolts tightened (this will annoy you, they are joined at only one place so things will rotate when you don't want them to or when travelling etc - is there some sort of locking nut you can use to stop this?) and make sure you don't bend any of the telescopic elements. The more you do that the more out-of-plane they'll become. For the best efficiency and radiation pattern your Yagi elements all need to be in the same plane.
+And that is basically it. Keep the M3 bolts, nuts, and wingnuts tightened (this will annoy you, they are joined at only one place so things will rotate when you don't want them to or when travelling etc - is there some sort of locking nut you can use to stop this?) and make sure you don't bend any of the telescopic elements. The more you do that the more out-of-plane they'll become. For the best efficiency and radiation pattern your Yagi elements all need to be in the same plane.
 The elements will, of course, bend at the right-angled join, meaning that you can store the antenna stowed, attach it to a rucksack, etc. Or you can fully disassemble and reassemble each time. Bring a spanner! And maybe a small screwdriver.
 {{ :6_stowed.jpg?direct&900 |}}