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Model 3149 

BiConiLog™ Antenna 

User Manual 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for BiConiLog 3149

Page 1: ...Model 3149 BiConiLog Antenna User Manual ...

Page 2: ... described herein ETS Lindgren L P does not convey any license under its patent rights or the rights of others Copyright 2003 2009 by ETS Lindgren L P All Rights Reserved No part of this document may be copied by any means without written permission from ETS Lindgren L P Trademarks used in this document The ETS Lindgren logo and BiConiLog are trademarks of ETS Lindgren L P Revision Record MANUAL M...

Page 3: ...ecifications 13 4 0 Bow Tie Assembly Instructions 15 5 0 Mounting Instructions 17 Using Included Mounting Adapters 17 Using the Stinger Mount 19 Additional Mounting Options 20 4 TR Mounting Options 20 7 TR and Mast Mounting Options 21 2x2 Boom Mounting Options 22 Other Mounting Options 23 6 0 Application 25 7 0 Typical Data 27 Model 3149 Antenna Factor at 10m 27 Model 3149 Gain at 10m 28 Model 314...

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Page 5: ...tions could result in minor personal injury and or property damage Included text gives proper procedures Warning Denotes a hazard Failure to follow instructions could result in SEVERE personal injury and or property damage Included text gives proper procedures See the ETS Lindgren Product Information Bulletin for safety regulatory and other product marking information ...

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Page 7: ...highest of all BiConiLog antennas and most commercially available antennas of this type The Model 3149 accepts up to 800 W of peak power input at the lower frequencies of operation The high gain and low VSWR over the operating frequency range translate into efficient amplifier use for field generation The Model 3149 differs from most biconical and log periodic hybrids with relatively low VSWR at t...

Page 8: ...ve aligning and easily attached compression fittings The finished antenna receives a durable powder coat finish The Model 3149 provides a flexible mounting scheme to accommodate most antenna towers and tripods The antenna can be securely mounted using the 22 mm diameter stinger or the lower element boom mount The stinger mount provides on axis center point rotation of the antenna during polarizati...

Page 9: ...in This tripod can support up to an 11 8 kg 26 0 lb load 7 TR Tripod Constructed of PVC and fiberglass components providing increased stability for physically large antennas The unique design allows for quick assembly disassembly and convenient storage Allows several different configurations including options for manual or pneumatic polarization Quick height adjustment and locking wheels provide e...

Page 10: ...uct Information Bulletin included with your shipment for the following Warranty information Safety regulatory and other product marking information Steps to receive your shipment Steps to return a component for service ETS Lindgren calibration service ETS Lindgren contact information ...

Page 11: ...Information Bulletin included with your shipment for information on ETS Lindgren calibration services Replacement and Optional Parts Following are the part numbers for ordering replacement or optional parts for the Model 3149 BiConiLog Antenna Part Description Part Number Polarizing Mounting Adapter 100989 Thread Insert 105861B For additional optional mounting hardware see Additional Mounting Opti...

Page 12: ...12 Maintenance This page intentionally left blank ...

Page 13: ... 1 maximum 2 1 typical Maximum Continuous Power 800 W 80 MHz 150 MHz 500 W 150 MHz 600 MHz 360 W 600 MHz 1 GHz 200 W 1 GHz 5 GHz Connector Type N 7 1 max is for bow tie element better than 2 1 is for LPDA section Physical Specifications Height 53 24 cm 20 96 in Depth 129 50 cm 50 98 in Width 91 00 cm 35 83 in Weight 5 0 kg 11 0 lb ...

Page 14: ...14 Specifications This page intentionally left blank ...

Page 15: ...ts detached The tubular bow tie elements easily attach to the balun box using positive aligning compression fittings To attach the bow tie elements 1 For stability first mount the Model 3149 onto a tripod or tower See Mounting Instructions on page 17 for the steps to mount the antenna To avoid losing the compression rings do not remove the nuts on the compression fittings 2 Align the compression f...

Page 16: ...structions Do not cross thread this connection or permanent damage to the bow tie element could occur 3 Thread the compression fittings together using the included wrench 4 Repeat steps 2 and 3 for the second bow tie element ...

Page 17: ...d with your shipment The Model 3149 is a precision measurement device Handle with care Using Included Mounting Adapters The Model 3149 BiConiLog Antenna ships with these mounting adapters 100989 Polarizing Mounting Adapter with 7 8 14 thread receptacle 105861B 1 4 20 Thread Insert To mount the Model 3149 using the lower element boom mount and included mounting adapters ...

Page 18: ...Do not cross thread or permanent damage to the adapter and thread insert could occur 3 Remove the mounting knob from the mounting bracket on the antenna 4 Slide the mounting bracket onto the polarizing adapter with the polarizing adapter placed between the shoulders of the mounting bracket 5 Thread the mounting knob through the mounting bracket then through the polarizing adapter and finally throu...

Page 19: ...t Do not use the stinger to mount the Model 3149 onto a 4 TR tripod 1 With the 108197 center rotate boom installed on the 7 TR thread the antenna feed or receiving cable through the center of the boom so that the connector for the antenna emerges at the clamp end of the boom 2 Attach the cable to the Type N connector on the antenna 3 Slide the cable and stinger into the clamp on the boom carefully...

Page 20: ...nal Mounting Options 4 TR MOUNTING OPTIONS Following are additional options for mounting the Model 3149 onto an ETS Lindgren 4 TR tripod Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware ...

Page 21: ... Tripod Positioner Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware Mast refers to 2070 Series 2075 and 2175 Antenna Towers 7 TR refers to 109042 106328 and 108197 booms 109042 boom Straight boom for general antenna mounting on a 7 TR 106328 boom Offset boom for general antenna mounting on a 7 TR with pneumatic or manual polarization 108197 boom Cent...

Page 22: ...NTING OPTIONS Following are additional options for mounting the Model 3149 onto a 2x2 boom Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware 2x2 boom refers to a typical 2 inch by 2 inch boom ...

Page 23: ...3 OTHER MOUNTING OPTIONS Following are additional options for using the stinger to mount the Model 3149 onto a non stinger mount Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware ...

Page 24: ...24 Mounting Instructions This page intentionally left blank ...

Page 25: ...red for any field strength E can be obtained from the gain or forward power graphs in Typical Data on page 27 which shows power required in watts to generate 1 V m For any other field strength not shown multiply the power in watts by the desired E field squared or P E V m E2 P 1 V m Actual transmitted field strength should be verified using an ETS Lindgren electric field probe or equivalent For IE...

Page 26: ...26 Application This page intentionally left blank ...

Page 27: ...Typical Data 27 7 0 Typical Data Model 3149 Antenna Factor at 10m ...

Page 28: ...28 Typical Data Model 3149 Gain at 10m ...

Page 29: ...Typical Data 29 Model 3149 Forward Power ...

Page 30: ...easured Power Power requirements scaled from measured data for 3 V m at 80 modulation over ferrite up to 1 GHz and measured over EHP 18PCL from 1 GHz to 2 GHz horizontal polarization Reference point 3 m from antenna tip and 1 2 m over ground ...

Page 31: ...easured Power Power requirements scaled from measured data for 3 V m at 80 modulation over ferrite up to 1 GHz and measured over EHP 18PCL from 1 GHz to 2 GHz vertical polarization Reference point 3 m from antenna tip and 1 2 m over ground ...

Page 32: ...32 Typical Data This page intentionally left blank ...

Page 33: ...t for the complete ETS Lindgren warranty for your Model 3149 DURATION OF WARRANTIES FOR MODEL 3149 All product warranties except the warranty of title and all remedies for warranty failures are limited to two years Product Warranted Duration of Warranty Period Model 3149 BiConiLog Antenna 2 Years ...

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