L1 and L2 are pieces of 75-Ohm-coax with a length of 5/4-lambda or 7/4-lambda * V (velocity of propagation).
V=0,667 with full-PE cable (e.g. RG-59BU), V=0,81 with foam-PE (e.g. CATV-cable).
V=0,667 with full-PE cable (e.g. RG-59BU), V=0,81 with foam-PE (e.g. CATV-cable).