The shrapnel is added to the original one. Even without a talent meter, the antenna can be easily erected and adjusted. When in use20The meter band only needs to move the slider contact to the gold mark position. Then shorten the unilateral pull rod antenna about10cmFinally, fine-tune the lever antenna according to the frequency of your use. 40The meter band moves the slider contact to the silver Mark position.
The pull rod antenna can be used directly after being pulled out. It is recommended not to increase the vibrator at will. Otherwise, the base may be damaged. If you want to add up to two aluminum tubes on each side.
Can work in2610121517203040MiLong after contraction34.5Centimeter. The two vibrators are unfolded6.6MiThe size of the bag is37cm23cm, Weight1.8kg, Easy to carry and set upAfter you get it, you only need one support rod and feeder. You can set it up and use it. All other accessories are ready for you. You can form a set of exquisitePAC-12, Such a set of antennas is equivalentJPC-7AndPAC-12One set eachVery economicalGreat value.
Ground netAnchor shop for sale. The coil skeleton and base are all molded and processed.Non-handmade carThe material is NylonVery high strengthDon't worry about damage. Aluminum Tube sandblasting oxidation to blackVery beautiful. Equipped with special black portable cloth bagPerfect protection antennaEasy to carryMore graded.
Easy to set upFastOne person3It can be set up in minutes. The assembly sequence of each vibrator of the antenna isConnecting seat-Two aluminum tubes-Inductive coil-Pull rod antenna. If you use a talent meter with lower transmission powerDo not circle the feederTo open all feedersOtherwise, the adjustment of standing wave will be affected. A higher power talent The instrument doesn't matter.
One side near the lever antenna is the first circle. Count from the side with the fixed coil screwDo not count the half circle with screws. Standing wave adjustmentIn the case of a talent meterFirst find the lowest point of standing waveSee if the resonance frequency is high or low. If the resonance frequency is highExplain that the antenna is short YesTo lengthen the lever antenna or increase the number of coil loopsLower, shorten the pull rod antenna or reduce the number of turns of the inductive coil. If there is no talent meterUse the station's own standing wave meterSetFMAMOrRTTYModeAdjust the transmit power10Tile left and rightPress the launch button Radio frequency KnobFind the minimum point of standing wave in each frequency bandLook at the level of resonance frequencyThen use the appeal method to adjust.40Meter band7.050-Starting from one side of the aluminum tube, the number is the first5Circle and first4CircleSilver Mark positionPull out all pull rod antennas on both sides7.050Standing wave1.2-1.5. 20Meter band14.270-Starting from one side of the lever antenna, the numbers are respectively7Circle and9CircleGold Mark positionPull rod antenna10After all sections are pulled out, shorten the pull rod on one side10cmStanding wave1.0-1.2Note that the pull rod antenna on one side is shortened. The other side does not need to be adjusted. 15Meter band21Mega is two laps on each side of the pull rod antenna respectively. Pull out all the drawbars. 10Meter bandPull rod antenna10All sections are pulled outThen retract one of the lever antennas to about7cmLeft and Right29.600Standing wave1.2. NoteThe above data is the antenna at the maximum angle. VData during erectionAngle change data will also be different.
The item "JPC-7 Multi Band mini-buddipole HF Shortwave GP Outdoor Portable Antenna QRP" is in sale since Sunday, December 20, 2020. This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas". The seller is "haiyue88" and is located in .
This item can be shipped worldwide.