For 1000MP and Mark Vs -- INRAD IF mod, just removed from my Mark 5 (replaced with roofing filter). Improves sensitivity and reduces noise. All hardware and cables, easy instructions. $40 postpaid. 73, Pete N4ZR The World HF Contest Station Database was updated 20 Oct 2004 2796 contest stations at www.pvrc.org/WCSD/WCSDsearch.htm