<?xml version="1.0"?> <param xml:id="mercury_bls_lag"> <time_resolution>3600</time_resolution> <get> <amdaParam name="omni_sw_v"/> <amdaParam name="r_mercury"/> <amdaParam name="r_earth"/> <amdaParam name="mercury_bls_da"/> </get> <process>($r_mercury-$r_earth)/$omni_sw_v*1731.46-$mercury_bls_da/14.1844</process> <output/> </param>