Log periodic aerial elements length

Something to consider...
Or make a few on here snigger lol.

I fired up my HF transciever this weekend, picked up a lot of European stations as if they were in the room with me.
Now for an aerial I only have about 14' of wire strung along one of the joists going the length of attic room I'm in.
Anyhoo I thought I'd try and tune it in and see if anyone can hear me.

Well tuning it in was not very good, and no one could hear me, I did however manage to send my youngest's PC into a tizzy
and he came up with a USB interface that stopped working, a reset soo sorted everything and I unplugged my microphone and put it away again - back to listening only.

Then it hit me.
My roof has 50mm Kingspan insulation with silver foil both sides.
No wonder reception and transmission are poor up here lol.
So make sure you have not got kingspan in the rafters :)

Re the aerial, looks like a multiband one, ISTR they have different length elements etc.
The best way to test it is to connect it and see how it works, if it does then test complete.
 

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