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Yaesu is it possible to run flex radio on a indoor whip arial
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Anthony Woodsford
Member
1
Answers
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Yes, but indoor antennas do not perform nearly as well as outdoor ones. Also, if you are transmitting, the RF could be hazardous to you, your family and anyone else close to the antenna. For high frequency (3 to 30 MHz) vertical 1/4 wave antennas to be successful, they need to have a good grounding system that you can't provide indoors. A whip on an automobile uses the body of the car for that. A horizontal loop around the ceiling periphery of a large room might work better without requiring a grounding system and might be less noisy. There are many, many designs for indoor antennas that you can research on YouTube and with books on antennas.0
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thanks john for your answer I nave the whip ax1 which is set up for 20 meters 15 and ten hoping that it will run indoors to a flex 3000 thanks tony m3lhx.0
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If you can put it in an attic space to get it further from you and others it will work better and be safer, as opposed to having it near you. Don't forget radials under it if it requires them (most verticals do.)
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What you should consider . A Flex3000 needs a pc/Laptop to operate. This will create interference nearby. So, as Duana proposes : Put the antenna as far apart from the PC as possible and shiel/hf-block as good as you can.0
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Remember that antenna is only rated for 30 watts.0
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A dipole made for a couple of bucks will work much better.
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thanks brian I am a qrp operating at 5 to 10 watts tony m3lhx0
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Hi Anthony - I have to agree with Neil that you'd be better off with a dipole if you can find the space for one. I did that once, putting up a 20m dipole (folded into a "U" shape) and then using an MFJ manual tuner to find matches for 20m, 15m, and 10m. I worked DXCC on it, however it was a very active sunspot time. The other option for limited space is a hi-Q transmitting loop. While they are finicky to tune for resonance (and you have to retune when you change frequency more than 10 KHz or so) they both hear and radiate pretty well. At least that was my experience. They require you have the in a space that is not too close to other metallic objects, but my attic worked. Either of those options will outperform a whip antenna, done properly.
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