Does COAX Quality Affect Your EFHW Antenna? The Unexpected Result!

Does switching from good RG-8X to better POTA-Flex 7 COAX affect your End Fed Half Wave (EFHW) antenna? Here are test results comparing these two COAXes against the same antenna in the antennas 10 - 40 meter amateur radio bands. Let's see if a lower coax loss COAX will give markedly different results when used in the field for POTA/SOTA and other portable operating on the air activities. The result may surprise you.