Topband: 3B9/M0CFW on 160

[Jim Brown]

On 11/22/2024 1:21 PM, Eric Scace K3NA wrote:
> It was interesting to see the delay from when 160m closed in the morning… to 80m CW closing… and then finally 75m SSB. The 10%+ difference in frequency between 80m CW and 75m SSB was obvious.

Thanks for posting about this, Eric. Far too many DXers, contesters, and 
DXpeditioners fail to have a clue about enhanced propagation on the 
daylight side of the terminators -- that is, both sunrise and sunset.

On 160, it's typically 30-40 minutes, about an hour on 80, about 2 hours 
on 40. I've lost a LOT of shots at difficult Qs with expeditions who 
abandoned a band at the first sign of sun in the morning, or to go to 
the band before sunset.

73, Jim K9YC