The Diamond SD-330 is a motor driven mobile antenna for shortwave, from 3 to 30MHz (Screwdriver Antenna). Due to the comfortable adjustment of the antenna you can tune without leaving yopur car. With the supplied 120cm radiator the antenna has a total length from 170cm (@3.5MHz) to 185cm (@30MHz). With the optional radiator OPE-750 (77cm) the antenna has a length from 130 to 145cm. With this short radiator operation is possible from 7 to 52MHz.

The SD-330 has a male PL connector and can be installed on any solid PL mount, for example our heavy PL base 20029, or the Diamond trunk lid clamp K-400 + cable set. 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. As any mobile antenna the SD-330 requires the body of the car as counterpoise. If the grounding is not sufficient (especially on the low bands 80 and 40m) an additional magnet mat MAT-50 can help. If the antenna is used at home a suitable counterpoise system must be built with wires.

SD-330 Cable with control

The SD-330 antenna is tuned with a supplied Up/Down control inside the car. The supply voltage (12V) is taken from the cigar lighter. The control cable between Up/Down control and antenna is 5m long. To change frequency you first tune the antenna to maximum noise on the receiver, then start transmitting with low power (10W) and tune for best SWR. With a goood counterpoise an SWR equal or better than 2:1 is possible. Tuning takes max. 50 seconds from 3 to 30MHz or 20 seconds from 7 to 30MHz. max power load 200W, weight 1.1kg.

The SDC-1 Diamond controller is the ideal complement to the SD-330 mobile antenna. In contrast of the original controller there is a choice to use automatic fixed positions for each band. In practice, it seems that you set the desired band / the desired frequency and press "GO" button. The frequency and position count number will be shown at that time. The fine adjustment is setting with the "UP" and "DOWN" buttons by a maximum output power of 10W. The SDC-1 power supply voltage is usable from 9-14,5V and will delivered with a cigarette lighter plug. A simple reverse voltage protection is integrated into the device. During operation, the SDC-1 requires a maximum of 200mA

Just one antenna for HF, 6m, 2m and 70cm! Ideally suited for modern mobile transceivers like FT-817,

FT-857, IC-7000, TS-480 etc. Also suitable for space restricted environments, e.g. on the balcony. No need to change the antenna when changing bands., 2m and 6m always accessible, plus several shortwave bands and 70cm.
Simultaneous use of 2m, 6m, 70cm, 40/15/10m (resonators supplied).

For operations on 30 and 20m the optional resonator HVC-14CX is required, replacing the 40m resonator.

Suitable diplexer: MX-62M.

Antenna base with integrated extension coil, black, flexible glass fibre radiator. Length c. 130cm, max. power load 200W SSB (80m: 120W). All antennas are equipped with a telescopic tuning element, not wire cutting needed.

    Solid monoband mobile antennas for shortwave. Base with PL connector, extension coil in the middle (center load), black, whip stainless steel. Length approx. 220cm. The alignment of the antenna is done by adjusting the length of the upper whip.

The Diamond HF-15/17/20-CL mobile antennas have proved to be very good at DJ2HD in Lesotho and Namibia (V55V) (2013/2014).

MD-200 Radiator

The Diamond MDC-730HX is a manually adjusted antenna for shortwave, similiar to the well known 'Screwdriver' antennas. For precise frequency alignment a vernier is attached to the fixed part of the coil. The antenna comes equipped with a 2m long whip (MD-200), which as a knuckle to facilitate taking down the antenna quickly, e.g. before driving into a garage.

The resonant frequency is adjust by moving the coil up or down. The coild sits quite tightly so it cannot change position by itself. But an additional securing screw is provided anyway.

The max. transmit power is 200W PEP. The connector a PL male, for installation on a vehicle we recommend a solid mount like the triple magnet base, or the PL base 20019.

MDC-730HX Coil

TK-1173A wide band mobile antenna 1.8 to 54MHz, tuner required
Max. power 500W, Length 2.1m, 2/8" connector, comes complete with cable on solid base for fender mount. An automatic tuner (LDG, SGC or similiar) is required for operations. The tuner should be mounted as close as possible to the antenna. All in all a very comfortable antenna system which adjusts automatically to any frequency. Internal tuners of most rigs are usually not suitable.

TK-1173A Base

TK-1173A Whip

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