Festival of Frequency Measurement 1 October 2019|无线电频率监测数据集|硬件配置数据集

Festival of Frequency Measurement Submission Robert, VA3ROM Thunder Bay, Ontario, Canada Monitoring WWV 5 MHz frequency deviations October 1 UTC Latitude 48.45 Longitude -89.21 Both uploaded files start September 30 at 2330 UTC A description of station hardware configuration, including Antenna type 1 80 m quarter-wave sloper (north/south) with Flex-1500 & GPSDO (running PowerSDR KE9NS modifications) Antenna type 2 ground-mounted 30 m resonant vertical with RSPduo & no GPSDO but calibrated using WWV 10 MHz in SAM mode (running SDRuno software) Frequency measurement technique with fldigi 4.1.08 and WWV 5 MHz signal using 1000 Hz tone offset USB mode A couple of days of practice ironed out the hardware and software problems