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It seems that compared to the last time these same frequencies were searched (CLE 213 Nov '16), my results were a little poorer, with 36 beacons heard this time versus 52 for the previous effort.
Propagation varied over the three night event depending upon what part of the world you were listening from and as usual, when there has been some recent coronal hole induced geomagnetic disturbance, the further away from the auroral zone you were, the better the prop seemed to be. The third and final night saw summer-like lightning noise for most North American listeners and the next several CLE weekends will be lucky to escape these rising levels until late in the fall ... but don't give up as there can be some great propagation in the summer and those quiet nights do come around when you least expect them.
In spite of the poor propagation here, there were some unusual quirks. Many of the 25 watt, normally easy NDBs from the central and southern states, were missing in action ... yet on all three nights, both FIS in Key West, Florida and SQT, up the coast on Florida's central eastern shoreline, were easy copy for several hours.
I can only guess that the reason for this is that both of these are 'big' beacons ... big antennas and power in the 300W plus class. They just managed to power through in spite of the poor propagation.
|FIS - 332 kHz Key West, Florida (aka: The 'Fish Hook' beacon)|
|SQT - 257 kHz Melbourne, Florida|
The other surprise was a loud signal on all three nights from FS in Sioux Falls, South Dakota, yet there was not even a hint of many of the other regular midwestern stations. Its reported 300W and 60' vertical is no doubt the reason.
|FS - 245 kHz Sioux Falls, South Dakota|
|DD - 253 kHz Columbus Ohio|
I managed only 36 stations but spent little time on Friday since conditions were truly dreadful.
25 04:00 240.0 BVS Burlington, WA, USA
25 08:00 241.0 YLL Lloydminster, AB, CAN
25 04:00 242.0 ZT Port Hardy, BC, CAN
25 04:00 242.0 XC Cranbrook, BC, CAN
25 07:00 244.0 TH Thompson, MB, CAN
25 05:00 245.0 YZE Gore Bay, ON, CAN
25 13:00 245.0 HNS Haines, ALS
25 06:00 245.0 FS Sioux Falls, SD, USA
25 08:00 245.0 CB Cambridge Bay, NU, CAN
25 08:00 245.0 AVQ Marana, AZ, USA
25 06:00 246.0 ZXJ Fort St. John, BC, CAN
25 07:00 248.0 ZZP Queen Charlotte Is, BC, CAN
25 04:00 248.0 WG Winnipeg, MB, CAN
25 07:00 248.0 QL Lethbridge, AB, CAN
25 07:00 248.0 QH Watson Lake, YT, CAN
25 09:00 248.0 PQF Mesquite, TX, USA
25 10:00 250.0 FO Flin Flon, MB, CAN
25 04:00 251.0 YCD Nanaimo, BC, CAN
25 11:00 251.0 OSE Bethel, ALS
25 04:00 251.0 AM Amarillo, TX, USA
25 07:00 253.0 GB Marshall, MN, USA
25 09:00 253.0 DD Commercial Point, OH, USA
25 09:00 254.0 ZYC Calgary, AB, CAN
25 09:00 254.0 SM Fort Smith, AB, CAN
25 09:00 254.0 EV Inuvik, NT, CAN
25 06:00 256.0 LSO Kelso, WA, USA
25 08:00 256.0 EB CFB Edmonton, AB, CAN
25 04:00 257.0 XE Saskatoon, SK, CAN
26 06:00 257.0 SQT Melbourne, FL, USA
25 04:00 257.0 LW Kelowna, BC, CAN
25 04:00 257.0 HCY Cowley, WY, USA
25 04:00 258.0 ZSJ Sandy Lake, ON, CAN
25 09:00 420.0 FQ East Chain, MN, USA
26 06:00 421.0 VLY McKenney, TX, USA
26 06:00 426.0 EN Council Bluffs, IA, USA
25 07:00 428.0 POH Pocahontas, IA, USA
As usual, my receiver of choice was the Perseus SDR in combination with my MF inverted-L, tuned to 300kHz.
The very active NDB Group.io List is a great place to learn more about the 'Art of NDB DXing' or to meet other listeners in your region. There is a lot of good information available there and new members are always very welcome. As well, you can follow the results of other CLE participants from night to night as propagation is always an active topic of discussion.