• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • A Winner has been selected for the 2025 Radioddity Cyber Monday giveaway! Click Here to see who won!

Dipole Antenna Mounting

edfiero

Active Member
Jul 15, 2010
93
55
28
Couple of questions about mounting a dipole antenna...

Is there a minimum mounting height for a dipole? Obviously with any antenna the higher it is the better, but outside of this, is there a minimum height for it to be mounted so that it radiates properly and/or the ground doesn't interfere with it??

The antenna is currenly hanging horizontally about 12 feet off the ground. I am receiving local stations with vertical antennas pretty well. I had expected this horizontally mounted antenna to attenuate vertically polorized signals while optimizing 'flat side' stations. Since the antenna is acting more like a vertical I am wondering if I am over estimating the attenuation effect or whether or not it really is behaving like a vertical because it is not high enough off the ground. Related to my first question, is there a minimum height before I see it act like a horiztonal antenna?

Thanks
 

It won't start to act like a textbook dipole until you get it at least 1/2 wavelength above ground and well away from trees, towers, buildings and other obstacles to the signal. This applies to all dipoles, regardless of frequency. At 11 meters, a half wavelength is only about 18 feet; at 160 meters it's a bit trickier.

And higher is better.
 

dxChat
Help Users
  • No one is chatting at the moment.