On 06/23/2015 09:34 AM, boatanchor at martasystems.com wrote: From WW2 pictures, the HF wire antenna is plainly visible, so I assume a SCR-274N was installed. Dennis pointed out the relay box, that appears to confirm. I'll check the 'heap'. I think I still have WWII rubber worm antenna insulators if you need them. EdZ KG6UTS