Is it safe to use the SB-230 on 17 and 12 Meters? I know some pre WARC amps have plate chokes that are resonant on one or both of those bands. 73, Allen, W9DZ Sent from Yahoo Mail on Android -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://puck.nether.net/pipermail/heath/attachments/20131112/f95b3a31/attachment.html>