a01A1 0 First fiber family, initial R component a01A2 cos(betaA) First fiber family, initial PHI component a01A3 sin(betaA) First fiber family, initial A component a02A1 0 Second fiber family, initial R component a02A2 cos(betaA) Second fiber family, initial PHI component a02A3 -sin(betaA) Second fiber family, initial A component