<html> <head> <title>Feld Hell Modes</title> </head> <body style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 204);" alink="#000099" link="#000099" vlink="#990099"> <table style="text-align: left; width: 100%;" align="center" border="0" cellpadding="2" cellspacing="5"> <tbody> <tr> <td style="text-align: center;"><img alt="" src="FeldHell.png"> <br>FeldHell <br><a href="FeldHellfft.png">Spectrum</a> <br><a href="FeldHell.wav">Sound</a> </td> <td style="text-align: center;"><img alt="" src="FskHell.png"> <br>FskHell <br><a href="FskHellfft.png">Spectrum</a> <br><a href="FskHell.wav">Sound</a> </td> </tr> </tbody> </table> all signals shown in x2 waterfall mode, tick marks at 100 Hz intervals, waterfall palette is "blue-2" <br><br> <a href = "Helldesc.htm">Description of Hellschreiber modes.</a> </body>