The club has acquired a Cushcraft D40 40m rotatable dipole!
The good news:
- It’s cheap
- It’s lightweight (16lbs)
- It’s received good review from eham users
- It’s going to be delivered to us by tomorrow (Wed) and will be ready for our 9/22 tower raising party
The bad news:
- The mounting design is weak (photos from Nov 2000 QST Hints & Kinks authored by K9CC)
The photos were taken by K9CC after his D40 antenna survived Illinois weather for 9 years.
His recommended modification is the Figure 4.
Our clever and multitalented president, Keith KG5HOK has designed 2 alternate solutions (see last two diagrams).
Solution 1 was initially derived. Solution 2 (alternate method) was an update to minimize potential capacitive coupling effects.