Jim You do not need 2 masts for an inv L or T antenna. The so called horizontal wire(s) can slope down and the far end tied to a bush or tree, or a stake in the ground via an insulator, as far away a
Lawerence No one is disputing downward SLOPE reduces the effective height. We are discussing 500 Khz PORTABLE and the most convenient way to erect a suitable antenna with minimum effort and you agre
Yes your right on that Mike, If you model a T and then change it to arrow shape , once the free ends are more than about 6 feet off the ground the radiation and feed values are all over the place ..y
Lawerence No one is disputing downward SLOPE reduces the effective height. We are discussing 500 Khz PORTABLE and the most convenient way to erect a suitable antenna with minimum effort and you agree
This is quite wrong. Any slope downwards will reduce the effective height of a Marconi. Since ERP is a function of the square of the effective height this is extremely important. An umbrella is far
A small amount of slope on a large capacity hat might not be too noticeable in practice, as a lot of extra capacitance at the top could do more good than its slope undoes. Please stop and actuall
You are certainly NO EXPERT at amateur radio never mind LF/MF and especially antennas. I have worked the world on LF/MF using Inv L antennas with the far end just above ground , and in normal CW mode
A full quarter wave inverted L with sloping end is starting to become a loop with the ground path forming part of the loop conductor, rather than a vertical. ANY antenna that approaches more than a