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CHA F-LOOP 2.0 

Page 12 

 

turning the Tuning Knob.  This is completely 

normal and you may have to “touch up”

 the 

adjustment  slightly.    The  bandwidth  of  the 
loop at 60 meters is only 8 KHz, so once you 

are  close  to  resonance,  make  only  the 
slightest of Tuning Knob adjustments. 

6.

 

Increase transmitter power to no more than 
15 Watts, see specifications 

 

Disassembly 

1.

 

Disconnect Coaxial Cable Feedline (m) and neatly coil cable. 

2.

 

If used, disconnect Flexible Radiator Loop (b), carefully coil loop, and secure with attached sticky strap. 

3.

 

If used, disconnect Flexible Radiator Loop Extension (d), carefully coil loop, and secure with attached sticky 
strap. 

4.

 

If used, detach the Flexible Booster Loop (e) and secure pieces with attached sticky straps. 

5.

 

Fully collapse Telescoping Mast (g). 

6.

 

Remove Coupling Loop (c) from the Telescoping Mast.   

7.

 

Remove the Telescoping Mast from the Tuning Unit (a). 

8.

 

Clean and inspect antenna components and then place them into the Portable Bag (o). 

9.

 

The antenna is now ready for transport and storage. 

 
Troubleshooting 

1.

 

Ensure the loop is away from metal surfaces.  Sometimes simply reorienting, relocating, or elevating the loop 
around two to four feet higher will reduce the SWR.  

2.

 

Ensure Radiator Loop Connections (f) are securely tightened.  

3.

 

Inspect Flexible Radiator Loop (b) for damage.  Replace if damaged. 

4.

 

Ensure the Coaxial Cable Connection (m) is securely tightened to the Loop Connection (l). 

5.

 

Inspect the Coaxial Cable Feedline for cuts in insulation or exposed shielding.  Replace if damaged. 

6.

 

Ensure Band Switch (i) is set for your frequency range. 

7.

 

Turn Tuning Knob (h) fully counterclockwise. 

8.

 

Adjust Tuning Knob over entire range listening for a marked increase in received signal strength and receiver 
background noise. 

9.

 

If still not operational, replace the Coaxial Cable Feedline.  

Most problems with antenna systems are caused by 

the coaxial cables and connectors. 

10.

 

If still not operational, contact us for technical support. 

 

Preventive Maintenance 

Like all of our products, the CHA P-LOOP 2.0 is built to be rugged, long lasting and with details in mind. The 
craftsmanship of the system is unique to Chameleon Antenna

TM

.  The materials used in this antenna are water and 

rust resistant and do not require preventive maintenance, but they should be inspected for damage and cleaned 
with mild household cleaners after field use.   
 

Specifications 

 

Frequency: Standard Flexible Loop: approximately 4.7 

 29.7 MHz (60 through 10 meter ham bands), 

Double Flexible Loop: approximately 2.8 

 11.9 Mhz (80 through 30 meter ham bands), Flexible Booster 

Loop: approximately 4.0 - 23.1 MHz (60 through 15 meter ham bands). 

Summary of Contents for CHA F-LOOP 2.0

Page 1: ...HF Portable Loop Antenna 2 0 CHA F LOOP 2 0 and CHA F LOOP 2 0 TOTAL Operator s Manual Nevada USA WWW CHAMELEONANTENNA COM VERSATILE DEPENDABLE STEALTH BUILT TO LAST...

Page 2: ...t voltages that kill Never trust insulation to protect you Stay away from all power lines WARNING Never operate this antenna where people could be subjected to high levels of RF exposure especially ab...

Page 3: ...receive than an outside full size quarter wave vertical antenna Remarkable for an antenna that is only less than three foot in diameter and covers 3 5 MHz to 29 7 MHz 80 10 meter ham bands The magnet...

Page 4: ...the primary method of HF radio wave propagation HF radio waves on a frequency below the critical frequency found by an ionosonde are reflected off one of the layers of the ionosphere and back to Eart...

Page 5: ...t and 4 8 MHz during the day A magnetic loop antenna radiates at all angles from horizon to zenith making it an equally effective antenna for both local and long distance DX communication While not sp...

Page 6: ...exible Radiator Loop Extension The Flexible Radiator Loop Extension consists of a 102 inch length of shorted coaxial cable with UHF Plugs at both ends The Flexible Radiator Loop Extension enables the...

Page 7: ...ry Table 2 CHA F LOOP 2 0 and CHA F LOOP TOTAL Frequency Ranges j Coupling Loop Attachment The Coupling Loop Attachment is used to attach the Coupling Loop c to the top of the Telescoping Mast g k Cou...

Page 8: ...istune the antenna Perform the following steps to assemble the Standard Flexible Loop Antenna see plates 2 and 3 1 Select a location to setup the CHA F LOOP 2 0 antenna The location can be indoors or...

Page 9: ...e following steps Plate 4 Double Flexible Loop Antenna 1 Perform assembly of the Standard Single Flexible Loop configuration 2 Disconnect one end of the Flexible Radiator Loop b Loop 1 from one of the...

Page 10: ...when tightening 4 Attach the large 8 inch Coupling Loop c to the Coupling Loop Attachment j located at the top of the Telescoping Mast by placing the threaded hole in the Coupling Loop bracket over t...

Page 11: ...to the desired frequency range 3 Adjust the Tuning Knob h for maximum receive signal strength Turn the Tuning Knob counterclockwise to decrease the resonant frequency see Plate 8 You will know when yo...

Page 12: ...r Loop Connections f are securely tightened 3 Inspect Flexible Radiator Loop b for damage Replace if damaged 4 Ensure the Coaxial Cable Connection m is securely tightened to the Loop Connection l 5 In...

Page 13: ...h may vary Table 3 2 1 SWR Bandwidth Weight 4 lbs Personnel Requirements and Setup Time one operator around 2 minutes Do not use an antenna tuner or coupler with this antenna Accessories The following...

Page 14: ...Portable Antenna Pioneer References 1 Silver H Ward editor 2013 2014 ARRL Handbook for Radio Communications 91st Edition American Radio Relay League Newington CT 2 1987 Tactical Single Channel Radio...

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