How long is a 2 meter dipole?
The top section of the vertical consists of a 3/8-inch rod 19.5 inches long, with the bottom section also consisting of a 3/8-inch rod 19.5 inches long. SWR is fairly flat across the 2-meter band showing 1.5:1 at 144 Mhz and 1.4:1 at 148 Mhz.
How do you calculate dipole length?
When determining how long to make each leg of a Dipole antenna, dividing the frequency in MHz into 468 will give the overall length. To find the half wave, divide that number by two. This will give you the length of each leg of the antenna.
What is the best 2 meter antenna?
Best 2M Mobile Antenna in 2021 – Top 5 Picks
| Name | Editor’s Rating | Price |
|---|---|---|
| Firestik 2MCKB 2-Meter Base Antenna | 5 out of 5 | Check Price |
| HYS TC-HC152V 2-Meter NMO Antenna | 4 out of 5 | Check Price |
| FireStik 2 Meter Fiberglass Antenna | 5 out of 5 | Check Price |
| Comet SBB-5NMO 2M/70cm Dual Band Mobile Antenna | 4.5 out of 5 | Check Price |
How to make a vertical dipole antenna work?
If you intend to clamp this to a pole or other upright, cut the tee that doesn’t have the threaded inserts in half along the straight section so you have a half pipe. Dry fit the parts like the photos at bottom of page show, to make sure everything works before you glue (don’t bottom out the connections or you may never get them loose again).
How do you make a 2 meter antenna?
This dipole was constructed as follows: Cut 6 or 7 feet of 1″ thin-wall PVC. Cut two 38″ lengths of aluminum tape. Put one edge of the first tape on the pipe, nice and straight. Slide fingers along the tape, rotating the pipe slightly with each slide. Try to make no wrinkles.
What do you wrap coax around in a dipole?
Wrap the coax around the pipe 5-6 turns, and while keeping the coils tight together us a tie wrap to hold them. Overwrap this with the electrical tape. It’s very important that all the coils touch. This is what’s called a solenoid balun. It is used to keep common mode currents off the coax. Now run the coax to the mount end with additional ties.