SD 27 Dipole Installation Manual
Contents
1. oS sm m p 530 a s U CASS NNN i J 5420 _7 ELEMENT SUPPORT _ TUNING ELEMENT SA SS Copyright SIRIO antenne Technical Data are subjected to change Printed in ITALY Rev 09 07 2010 Cod ID097 SD e7 Dipole CB Base Station Antenna 27 MHz Installation Manual DESCRIPTION 1 2 Dipole antenna working on 27 MHz band with Gamma Match System It has been completely made of anticorodal aluminium and supplied with Boom and steel bracket for the fitting on the support mast The fixing part with rapid mounting system is made of die cast metal to get the maximum strength and robustness The radial whip is earthed and it is supplied with jointing sleeves of polythene for a perfect water proofing Its supplied with UHF Female connector SPECIFICATIONS Electrical Data Type gt Dipole Frequency kange 26 28 MHz Impedance 30 Q Radiation Horizontal mounting Directional Vertical mounting Omnidirectional Polarization gt Linear Horizontal Gain O dBd 2 15 dBi Bandwidth SWR lt 2 2 3780 KHz 340 channel SWR res freq S 1 1 Max Power 1000 Watts CW continuous 3000 Watts CW short time Connector UHF female Mechanical Data Materials Aluminium Nylon Steel Wind Load Resistance 80 N at 150 Km h 130 Km h Wind surface 1007 106 Dimensions approx gt 5420 x 1380 x 100 mm Boom Length Diameter 1380 mm 33 mm Max element lenght gt2. see The picture PLEASE PAY ATTENTION THE GREAT LOCKING TORQUE OF NUTS THAT FIX THE BOOM CAN CAUSE DAMAGE TO THIS LAST ONE 3 1 Installation to the support tube see the picture 4 0 Cable connection see the picture callie TUBES FIRST SECTIONS PHILLIPS SCREW END E T JOINTING SLEEVES PVC cap COMPLETE SECTION o
3. 5420 mm Element Diameter 8 12 16 mm Turning Radius 3050 mm Weight approx 2560 gr Mounting Mast 35 50 mm TYPICAL S W R RESPONSE S W R Model SD 27 File F 01 011 18 16 S a oe SVT Ee Be 14 re ee ea E e A 24 65 27 15 29 65 9 SIRIO w antenne HI QUALITY ANTENNAS MADE IN ITALY ID097 MOUNTING INSTRUCTIONS 1 0 Assembling of elements Extract the telescopic elements unstringing the tube 12 and mount the jointing sleeve fixing the first section by means of the supplied phillips screw Assemble the second jointing sleeve string the top tube 8 together with its PVC cap and fix the end section by your phillips screw 1 1 Placing of elements on the Boom see the picture 1 2 Assembling of elements to the Boom String the tuning element of Gamma Match on one element of the radator dipole insert the elements into the metal support and fix them by using the screws and key supplied 2 0 Assembling of Gamma Match Extract the final tube of Gamma Match to the length Ll 485 mm and fix without locking the flat end 12 to the connector by using the supplied nut and washer Move the tuning element towards the Boom stringing the end part 8 of Gamma Match as far as size L 890 mm Then fix the tuning element by means of screw and key Check once again the sizes L and L1 lock the nut on the flat part of Gamma Match and mount the PVC protection cap 3 0 Assembling of bracket to the Boom
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