In reply to 2E0FSR :
We need to set a date for the 6M Fun Day.
It can be any weekend we like but if we want to add some spice then we should hold it when there is a chance of enhanced propagation. That implies Sporadic E season which means sometime between the last week in May to the start of the 3rd week in July.
ISW is the 1st weekend in May and that is too early for Sporadic E (based on the last how many years data.) So the weekend before the longest day of the year maybe worth considering as that is in the zone for SpE and gives just about the most light you’ll get. It also is a reasonable break from ISW to give people who want to do something big a chance to sort themselves out between ISW and a potential lowband VHF fun day.
I’m really just thinking aloud here whilst my simulation compiles away, there may be severe flaws in the above logic!