Tarheel Antennas 300A Instruction Manual Download | Manualshive

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Relative Tuning Positions

The following photos will show you relative tuning positions of the Model
300A Tarheel Antennas.

LEXAN COVER REMOVED FOR CLARITY

Model 300A -- full down position with

5 ft. whip -- 28.0 MHz

Model 300A -- 21.2 MHz with 5 ft. whip

Do not try to twist or turn the bug shield on
the outside of the antenna, this is designed
not to turn.

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Summary of Contents for 300A

Page 1: ...nnas Inc Instruction Manual for the Model 300A Continuous Coverage HF Antenna 18511 CR 304 St Joseph MO 64505 816 671 9409 816 662 2416 Fax E mail sales tarheelantennas com Technical Support 919 552 8788 E mail tarheelantennas aol com www tarheelantennas com ...

Page 2: ...ng List for Model 300A Package All of the above plus the following MT 1 Antenna Bracket Quick Disconnect for the Whip 21 ft of RG 8X Coax with connectors installed 1 pack of Coax Seal Model 300A Antenna Specifications Lower Mast Length 3ft Frequency Coverage with 6 whip 1 7 to 28 MHz Power Rating 250 watts P E P Typical SWR 1 5 to 1 or less Total Height with 6 whip at 29 MHz 9 4 Total Height with ...

Page 3: ...allation if the SWR will not go below 1 5 on the frequencies above 10 MHz it s because of the ground path mentioned above Again ground close to the base is most important with this and any other antenna This is a large antenna that will require heavy duty mounts to withstand the pressure produced from the wind load All of Tarheel Antenna mounts are designed to take this load While we have a variet...

Page 4: ...install the upper half of the quick disconnect in the bottom of the antenna tight Picture 7 Be sure to use the lock washer The MT 1 antennas bracket has 6 cutouts for the anti rotation rib that s on the antenna Be sure the rib goes into one of these cutouts there is no need to cut the insulator it will compress enough to tighten the antenna down Picture 8 Don t forget to tighten down the top half ...

Page 5: ... a standard 12vdc system Keep in mind polarity of these two wires are not important With the switch mounted up wire to bottom you can wire the red wire with black stripes to positive side of your 12vdc system and the white wire with red stripes to the negative side This will allow the antenna to go up while you press the up button this is the way most wire up to their systems Up on the switch mean...

Page 6: ... in a location away from exhaust pipes and anywhere the cable can be damaged Next is the control box and control cable We preassemble everything here so you ll have a plug and play system If properly installed this antenna will have a standing wave below 1 5 from 1 8 to 30 MHz We know that every antenna installation is unique and it is impossible to describe all the scenarios in this manual Howeve...

Page 7: ...uning positions of the Model 300A Tarheel Antennas LEXAN COVER REMOVED FOR CLARITY Model 300A full down position with 5 ft whip 28 0 MHz Model 300A 21 2 MHz with 5 ft whip Do not try to twist or turn the bug shield on the outside of the antenna this is designed not to turn ...

Page 8: ...MHz with 5 ft whip and 1 1 2 of coil showing Model 300A 3 9 MHz with 5 ft whip and 4 of coil showing Model 300A 3 5 MHz with 5 ft whip with 5 of coil showing Model 300A 1 9 MHz with 5 ft whip and 15 of coil showing Model 300A 1 8 MHz with 5 ft whip and 16 1 2 of coil showing ...

Page 9: ...s it 7 Reassemble the Antenna After you have the antenna reassembled now is the time for a good cleaning on the outside Use the alcohol to remove the grime off the tube and Lexan next get a good coat or two of wax on it Warranty Guarantee IF for the 1st 30 days if for any reason you are not completely satisfied return the antenna undamaged for a full refund less the shipping charges The antenna ha...

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