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CHA RXL 

Page 9 

 

Loop Assembly.

  Perform the following steps to assemble the Loop, see plate (10).

 

1.

 

Position the Loop (a) upside down (open end 
up). 

2.

 

Hold the Preamplifier Unit (b) upside down 
and mate the Loop Flanges (d) flat side to flat 
side on one end of the Loop and Preamplifier 
Unit. 

3.

 

For permanent outside installation, we 
recommend treatment of the Loop Flanges 
and hardware with Permatex® Anti-Seize 
Lubricant. 

4.

 

Place  a  #10  Flat  Washer  over  one  #10 
Knurled Knob Bolt. 

5.

 

Insert the #10 Knurled Knob Bolt through the 
Loop and Preamplifier Unit Loop Flanges. 

6.

 

Place  a  #10  Flat  Washer  over  the  inserted 
Knurled Knob Bolt. 

7.

 

Place  a  #10  Split  Washer  over  the  inserted 
Knurled Knob Bolt. 

8.

 

Thread  a  #10  Wing  Nut  onto  the  inserted 
Knurled  Knob  Bolt  and  tighten  until  firmly 
tightened by hand.   

9.

 

The  assembled  end  should  look  like  that 
pictured in plate (10). 

 

Plate 10. Loop Assembly. 

 
10.

 

Repeat steps (2) through (9) for the other side of 
the Loop and Preamplifier Unit.   
 

 

Plate 11. Assembled Loop and Preamplifier Unit. 

11.

 

The  assembly  should  look  like  that  pictured  in 
plate (11). 

 

Camera Tripod Mount.

  Perform the following steps to mount the CHA RXL on a camera tripod.  The 

camera tripod must be capable of holding 6 lbs.

 

1.

 

Position the Preamplifier Unit (b) Camera Mount 
socket  (e)  over  the 

standard  ¼”  x  20  threaded 

stud of the tripod.  

2.

 

Tighten tripod threaded stud until snug. 

3.

 

The  completed  assembly  should  look  like  that 
pictured in plate (12).   

 
 
 
 

 

Plate 12. Preamplifier on Camera Tripod

Summary of Contents for CHA RXL

Page 1: ...LF MF HF Receive Loop Antenna CHA RXL Operator s Manual Nevada USA WWW CHAMELEONANTENNA COM VERSATILE DEPENDABLE STEALTH BUILT TO LAST...

Page 2: ...s that kill Never trust insulation to protect you Stay away from all power lines Photographs and diagrams in this manual may vary slightly from current production units due to manufacturing changes th...

Page 3: ...ical antennas Field trials demonstrated that with the CHA RXL mounted outside signals were typically only around one to two S units lower than a full size dipole antenna but that interference was less...

Page 4: ...oop Directivity A high level block diagram of the CHA RXL is shown in figure 1 Figure 1 Receive Loop High Level Block Diagram Antennas built by Chameleon AntennaTM are versatile dependable stealthy an...

Page 5: ...mbly and is used as the mount for the Receive Loop and Camera Tripod Attachment c Remote Antenna Connection The Remote Antenna Connection is a BNC socket used to connect the Coaxial Cable from the Pre...

Page 6: ...cket is not used if the CHA RXL is mounted on a camera tripod or placed on a table top Plate 5 CHA RXL Mounting Bracket and Hardware h Preamplifier Mounting Holes The two Preamplifier Mounting Holes a...

Page 7: ...lluminated when 12 14V DC power is applied to the BIAS T Unit o DC Power Socket The DC Power Connection is a 2 1mm X 5 5mm coaxial socket on the BIAS T Unit used to accept 12 14V DC power The center p...

Page 8: ...late 7 3 Place a Flat Washer over each of the four threaded bolts of the inserted U Bolts 4 Place a Split Washer over each of the four threaded bolts of the inserted U Bolts 5 Thread a Nut over each o...

Page 9: ...Split Washer over the inserted Knurled Knob Bolt 8 Thread a 10 Wing Nut onto the inserted Knurled Knob Bolt and tighten until firmly tightened by hand 9 The assembled end should look like that picture...

Page 10: ...n antenna switch duplexer rotor controller etc between the BIAS T Unit and the Loop Preamplifier 3 Connect one end of a Coaxial Jumper Cable not supplied to the Radio Connection m on the BIAS T Unit 4...

Page 11: ...rtwave broadcast bands Diameter 36 inches Gain Frequency dependent see figure 2 RF Connections o Radio Receiver UHF Socket SO 239 for Coaxial Jumper to Radio Receiver o BIAS T and Preamplifier Unit BN...

Page 12: ...Clamp Mount CHA UCM heavy duty antenna mount suitable for portable or semi permanent use Coaxial Cables in 12 25 and 50 lengths with BNC Male connectors at each end Chameleon AntennaTM Products Pleas...

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