A distinct possibility. For those that have a P3/PX3/SDR Panadapter and
can hear WWV on several of its frequencies, compare the spectra of the
2.5 and 20 MHz transmissions with those of the 5, 10, and 15 MHz ones.
The 2.5 and 20 MHz transmitters are low level modulated followed by
linear amplifier chains. The others are plate modulated Class C. The
difference is striking.
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org
On 8/7/2015 7:06 AM, Robin Moseley wrote:
could be sending Audio tone CW from a sound card and overdriving?
Robin G1MHU
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