https://www.winterfieldday.com
When: Winter Field Day runs for 24 hours during the last full weekend in January each year from 1900 UTC (2pm EST) Saturday to 1900 UTC (2pm EST) Sunday. For 2022 the dates are January 29th and 30th. Station set-up may commence no earlier than 1900 UTC (2pm EST) on the Friday before. Station setup may consume no more than 12 hours total.
Bands: All Amateur bands, HF, VHF, & UHF except 12, 17, 30 and 60 meters.
Modes: Any mode that can faithfully transmit the exchange intact without a conversion table… CW, SSB, AM, FM, DStar, C4FM, DMR, Packet, PSK, SSTV, RTTY, Olivia, Satellite, etc… (note FT8 & FT4 cannot)
Suggested Frequencies:
HF CW – 1810-1820, 3.530-3.550, 7.030-7.050, 14.035-14.055, 21.030-21.050, 28.030- 28.040
HF SSB – lowest 30 kHz of the US General Class Phone bands (160m-15m), 28.400- 28.425MHz (10m)
6m/VHF/UHF – adjacent to, but not on, nationally recognized simplex calling channels.