Isolated down to the brass looking so 239 type fitting.
Hamstick dipole attic.
The better your antenna the more success you will have making contacts.
Shark antennas s f20 mono band hf 20 meter mobile vertical antenna with 3 8x24 threads handles 250w max.
Only 8 left in stock order soon.
The infamous attic dipole.
One reading at adjustment level and another at operation level.
Lastly make note of the dipole mounting assembly.
Hamstick dipoles isolate one for each band 80 mtr pair could be any band must be in pairs best to tune up on a vehicle could be mounted in attic or in back yard out of sight coax to station 40 mtr pair.
Stringing ground radials or using a ground rod in the field or the attic becomes increasingly difficult.
When i put up outside on tower standoff had noise irratic swr especially with any wind.
Installed tested on 20 then on 6 meters in the attic worked fine.
This was installed at a previous qth i will be the first or millionth remember i m from fl to affirm that the antenna is the determining factor for success when it comes to one s station set up.
I ve used the hamstick dipole on 20 meters quite a bit and recall that i had to do some fiddling to the the dipole length to get it correct.
Stringing ground radials or using a ground rod in the field or the attic becomes increasingly difficult.
Mfj 347 hamstick dipole mount kit for any 2 hamsticks as a base 4 5 out of 5 stars 35.
Get it as soon as mon sep 14.
Also the dipole elevation can affect the tuning swr as well.
Used with mfj 20m hamstick dipole setup works very good for size many contacts k1wj.
While using one mobile whip by itself requires a good ground or counterpoise usually the car body a pair can be operated as a dipole.