Most amateurs support their aerials from a pole placed on the top of the house, in a tree, or erected in the yard. Many use two supports, since such an aerial has many advantages. The facilities to be had for supporting the aerial will largely determine which form to use.
Fig. 198.—Method of Arranging the Wires and Insulating them from the Cross Arm or Spreader.
The grid aerial has no particular advantages or disadvantages.
The “V” aerial receives waves much better when they come from a direction opposite to that in which the free end points. The "free" end of the aerial is the one not leading into the station.
The inverted “L” aerial possesses the same characteristics as the “V” type.
The “T” aerial is the best “all around" and is to be recommended whenever it is possible to put up an aerial of this sort.
Much of the detail of actually putting up an aerial or antenna must be omitted, because each experimenter will usually meet different conditions.
It should be remembered, however, that the success of the whole undertaking will rest largely upon the construction of a proper aerial. The most excellent instruments will not give very good results if connected to a poor aerial, while, on the other hand, inferior instruments will often give fair results when connected to a good aerial.
