<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Jan 5, 2013, at 4:13 AM, Chris Wilson wrote:<br><br><blockquote type="cite">***** High Performance Software Defined Radio Discussion List *****<br></blockquote><blockquote type="cite"><br></blockquote></div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div><blockquote type="cite"><span class="Apple-converted-space"> </span>and<br></blockquote><blockquote type="cite">are there any things I need to be aware of please?<span class="Apple-converted-space"> </span></blockquote></div></span></blockquote></div><br><div>I thought it might be obvious but perhaps I should say explicitly that if you amplify the output Hermes (or Penelope or PennyLane) you will need to have some type of low pass filtering to stay clean and legal at high power. </div><div><br></div><div>Hermes is perfectly legal when run barefoot but if you amplify its out you should add Tx LPF filters. I use the Alex filter set for that but there are numerous options to choose from, of course. </div><div><br></div><div>Use one of the options when running high power though! </div><div><br></div><div>73, Joe K5SO</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></body></html>