Calculated frequency data from SpectrumLab, for WWV-10, 21 Aug 2017

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