Since when? E-6B with towed VLF antennas seem to work ok. https://www.thedrive.com/the-war-zone/31477/heres-why-an-e-6b-doomsday-plane-was-flying-tight-circles

Since when? E-6B with towed VLF antennas seem to work ok. https://www.thedrive.com/the-war-zone/31477/heres-why-an-e-6b-doomsday-plane-was-flying-tight-circles-off-the-jersey-shore-today https://www.thedrive.com/the-war-zone/31477/heres-why-an-e-6...