DIAMOND SD330 PDF

Some are better than others. Using the screwdriver antenna as a variable tuning section works well and the higher bands are better then the lower bands unless you do certain things. A massive radial field is very good but a modest one can work well. I have used screwdriver antennas for an apartment application. They allowed outside antennas and I mounted mine on the back patio fence.

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Some are better than others. Using the screwdriver antenna as a variable tuning section works well and the higher bands are better then the lower bands unless you do certain things. A massive radial field is very good but a modest one can work well. I have used screwdriver antennas for an apartment application. They allowed outside antennas and I mounted mine on the back patio fence. It worked 75 meters well and did okay on 40 and got better the father up I went. The one I have will tune meters.

Tried it on , not a good antenna and a poor dummy load radiates too much for a dummy load. The Diamond SD is rated for a whooping watts. The receive noise is in par with a vertical antenna and compared to a horizontal the vertical is much higher in noise pickup.

With a proper installation you can still work the world provided the world and sun cooperate. The Tarheel and series are very capable antennas and again you have to pay attention to the installation. The other models can handle lower power and cost less. Just use a reversing switch to the antenna with a center off position using a spring return. Tune for maximum noise on receive and check your SWR. Remember, on the ground put down as many radials as you can and make them at least 10 feet long.

Resonant radials are better but just do what you can. Good luck with your setup.

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