Sirio Antenne SKA 140-230 User manual

( TYPICAL TUNING DIAGRAM )
mm SKA 140-230
mm SKA 140-230
N O TE:
• L is the height from the ground plane.
• it is recommended to use the curves as a guide and fine-tune using an S R-Meter.
© Copyright S I R I O a nt en ne - Technic l D t re subjected to ch nge - Printed in ITALY - Rev. 01/06/2005 - Cod. ID071
rModel SKA
V H F Mobile Antenna I 4 0 S 3 0 M Hz
In sta lla tio n M anual

( DESCRIPTION)
1 /4 X VHF antenna for vehicular service covering the frequency range of 140-230 MHz by using
the enclose cutting iagram . Its whip is conic an ma e of black chrome 17/7 PH stainless
steel to get the higher flexibility; all its components are of brass or steel to guarantee a strong
structure an the best efficiency, it is assemble on the "SL-S" mount black chrome .
( SPECIFICATIONS )
Electric l D t
1 /4 X Mobile Antenna
140-230 MHz tunable by cutting
50 Q Unbalance
Omni irectional
Vertical
0 B ref. to a X/4 w hip
14 MHz at 140 MHz
S.W.R. atf. res. : <1.5; I at 140 MHz
Max Power 100 Watts
Fee System / Position Direct / Base
Stan ar Mount "SL-S" VHF
Cable Lenght / Type : 5 m / RG 58
Mech nic l D t
Materials : Chrome Brass, Stainless Steel 17/7 PH, Nylon
Height (approx.) 555 mm
Weight (approx.) 360 gr
Mounting Hole 0 19 mm
Frequency Range
Impe ance
Ra iation
Polarization
Gain
Ban wi th at S.W R. 2:1
TYPICAL S.W.R. RESPONSE
132 140 148
f.(MHz)
ID071
( MOUNTING INSTRUCTIONS )
"SL-S" Mount
REM ARK:
Be careful uring installation o not use too much strenght but tighten the metal ring A
by means of the suitable tool. TIGHTENING TORQUE: 4 Nm ± 10%
A TTEN Z IO N E:
Pone attenzione urante I'installazione. Non serrare con troppa forza ma awitare I'anello
metallico A utilizzan o la chiave a eguata. COPPIA Dl SERRAGGIO: 4 Nm ± 10%
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SIRIO
=■■■■■■■ lantenne HI-QUALITY ANTENNAS MADE IN ITALY