Two graphical displays from SpectrumLab of WWV-10 carrier frequency on 18 Aug 2017

Abstract

<p>NAME : Martin Potter, VE3OAT<br> GEOPOSIT : 45 15' 9.023" N  75 35' 27.60" W (Maidenhead FN25eg)<br> START TIME : 1400 UT<br> STATION CONFIG :<br> Multi-band vertical antenna with 18 radials.<br> Receiver Yaesu FTdx1200 in AM mode with audio bands limited to<br> 800-1200 Hz (18 dB/octave roll-off).<br> Trimble Thunderbolt 10 MHz output to HP 3325B sig generator set<br> to 9999 kHz and injected to station antenna.<br> Measured nominal 1 kHz beat note between WWV-10 and sig generator<br> using SpectrumLab software.<br>  <br> Note : On 20 Aug, receiver AGC was ON.  On 21 Aug, receiver AGC was<br> OFF and audio output level was set using RF Gain control.  </p> <p> </p