Hopefully, someone out there has some specifications for the Thordarson plate choke # T19037? Planning a complete Collins 30S1 retrofit with a doubler rectifier choke input rectifier board and would hate to be on a fool's mission if it proves to be too whimpy. Any help would be appreciated. 73's Ron W2CQM/3 Epilogue: visit www.QRZ.COM/W2CQM for a listing of the most recent articles authored by W2CQM.