SIGMA :: ANTENNA BASE VHF 3dB 173-183MHz

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ANTENNA BASE VHF 3dB 173-183MHz

mod.: CATC178

CATC 3dBd Collinear with Integral Mounting Clamp 173-183MHz

Model CATC178

Frequency Band 173-183MHz

Centre Frequency 178.0MHz

3dBd Gain
Slim Tapered Design
Integral Mounting Clamp
Rugged Glass Fibre Protection

Type CATC is a medium gain collinear antenna suitable for masthead mounting or stand-off mounting from a tower or a mast. A high degree of decoupling from the support structure and the feeder cable is achieved without the use of groundplane rods. The radiating elements are encapsulated in low-loss polyurethane foam which bonds them firmly to the inside of the radiator housing thus ensuring good mechanical stability. The antenna is fitted with a short length of URM67 coaxial cable terminated in a type N series plug.

ELECTRICAL SPECIFICATIONS

Frequency Range: 173-183MHz
Bandwidth 6% typical
Gain (Rel. λ2 dipole): 3dBd (5.2dBi)
VSWR: 1.5:1 typical
Polarisation Vertical
E-Plane Beamwidth (-3dB) ±18° typical
Power Rating: 100 Watts
Impedance: 50 ohms
Lightning Protection: DC ground
Feeder Tail: 915mm URM67 coaxial cable

MECHANICAL SPECIFICATIONS

Termination: N male (Other Terminations Avail:)
Overall Length 2630mm
Radiator Housing Diameter 32mm max O.D
Weight: 1.2 kg
Rated Wind Velocity: 193 km/h
Horizontal Thrust at Rated Wind: 8.2 kg
Mounting: Integral clamp mounts to a 32-51mm pipe for in-line, offset or standoff fixing

MATERIALS

Radiator Housing Green tapered glass fibre tube
Radiator Elements Copper
Integral clamp Aluminium casting, stainless steel U-bolts and fasteners

Recensioni

CIVILE

RADIOAMATORIALE

PMR446 E CB

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R.T.C. Radiotelecommunications Srl VENDITA ED ASSISTENZA TECNICA IMPIANTI DI TELECOMUNICAZIONI via SS 16 Nord 64025 Pineto TE Tel. 085 949 29 10 - Fax 085 949 27 40 P.I. 00698530672 - ISCR. CCIAA TE 89783 - REG. TRIB. TE N. 7848

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