A new class of protective fabrics having good ballistic and fragmentary protection also provide wearable drape, softness, and moisture transport, as well as good UV and abrasion resistance and color acceptance, making them comfortable to wear as garment fabrics. Before a fixed gain amplifier is disabled and after an automatic gain controller adjusts gain for the last time, a reference transmit power value is read from the automatic gain controller. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems. A knot-passing pulley enables a safety line to be coupled to the basket thereby ensuring the safety of the victim in the basket at all times.