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The Diamond SD is a motor driven mobile antenna for shortwave, from 3 to 30MHz. The Diamond SD screwdriver is your efficient antenna solution for mobile HF With the main SD element enjoy operation on any frequency from to. Diamond SD Mobile Screwdriver product reviews by real people like you. Only at – is a Web site dedicated to ham radio (amateur.

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The screwdriver design permits me to adjust the SWR to 1: Got in a swap.

DIAMOND ANTENNA CORPORATION

New cars are not so friendly when it comes to wiring straight from the battery. Hope I haven’t just jinxed myself, hi hi! In addition, the relatively narrow bandwidth of such an antenna, especially on the lower frequency bands, requires adjusting the length of the whip to go from one end of the band to the other. Don’t hesitate to buy this antenna I worked both coasts all the way across the country with out any diamonv on 20 M and 40 M.

A simple reverse voltage protection is integrated into the device. Also suitable for space restricted environments, e. SD Cable with control. In contrast of the original controller there is a choice to use automatic fixed positions for each band. The tuning is a wee bit fast, diamonv once you get used to it, it’s easy to tune in any band, first by listening to the noise, then fine tuning the SWR.

Diamond Mobile Antennas for Shortwave

Had it apart many times to tighten hardware and then try later to modify it to keep it from vibrating loose. With a goood counterpoise an SWR equal or better than 2: With a parked car not while driving a smaller PL magnet base can be used as well, with the huge triple magnet base operation may be possible even while driving. If the grounding is not sufficient especially on the low bands 80 and 40m an additional magnet mat MAT can help.

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With the optional radiator OPE 77cm the antenna has a length from to cm. Having the need to confront reduced mobility, I needed to find an alternative to erecting my damond and 20 meter trap dipole while on vacation. The two radials remain at 33 feet each, even on 75M. The tuner should be mounted as close as possible to the antenna.

Too bad, great looking but unreliable. I couldn’t be more delighted with this antenna. I bought one a year ago and it works very well. I also bought the Better RF Tune control and screwdriver control.

SCREWDRIVER ANTENNA/DIAMOND ANTENNA CORPORATION

Built extremely well like a tank and is flawless performer. Add to shopping cart. But they are not so practical for use on small sedans. My Subscriptions Subscriptions Help.

Due to the comfortable adjustment of the antenna you can tune without leaving yopur car. Only had it on the car about a week and like I said, very few QSO’s yet. In stockshipped in 1 or two days. Email Subscription You are not subscribed to this review. There was no scope in the firewall of my Accord to bring in the heavy gauge wire.

The alignment of the antenna is done by adjusting the length of the upper whip. Solid monoband mobile antennas for shortwave. The Lexus is the first vehicle make out of over 70 cars I have owned that has zero noise. The SDC-1 power supply voltage is usable from ,5V and will delivered with a cigarette lighter plug.

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Diamond SD Mobile Screwdriver Product Reviews

The importance of a good RF ground can not be over emphasized as has been very well documented by K0BG. This arrangement worked quite well, but necessitated having a “Hamstick” for each of the bands I’m interested in using. If I had to find a ‘fault’, I’d have to say it’s the antenna screwdriver control switch, which is pretty flimsly. I installed this antenna in my pick up truck and the performance is great.

I didn’t try alot of other bands then. Screwdriver Mobile HF Antenna.

Hope to use it roving to give out Texas counties in s3d30 panhandle during the next Texas QSO party ; will keep you posted! All antennas are equipped with a telescopic tuning element, not wire cutting needed.

I could not sell it to some one else and sleep at night. As any mobile antenna the SD requires the body of the car as counterpoise. Base with PL connector, extension coil in the middle center loadblack, whip stainless steel. I use dixmond small, 12V lithium ion battery pack to power the antenna’s tuning motor, since it draws only about mA. The frequency and position count number will be shown at that time.

I have given up and scrapped it.