Previously - >... I ran across this, which was originally posted > on the Broadcasting list ... __________ Below is a link from a followup post there with a NEC4.2 analysis of the performance of a 1/4-wave monopole driven against a set of 4 x 1/4-wave, elevated, horizontal radials. https://s28.postimg.org/cuwjup8gd/Qtr_Wave_Monopole_Analysis_Elev_Radials.jpg