When I go on 10m WSPR it is not uncommon to get few spots these days. On the other hand my 6m 5W FT8 gets loads of spots. The difference in power means that they are about equal in S/N ratio at the receiver as FT8 is roughly 10dB less effective than WSPR. Perhaps WSPR gets buried in local noise more often?
The major reason for using 10m WSPR is the PC is not needed and the 10m antenna is available when I go on 6m FT8.
I am seriously wondering if it is really worth carrying on with 10m WSPR.

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