Graham, night time conditions involve single and double-hop sky wave 
which can be very selective. Stations only a few kilometres apart can 
experience completely different results. 

Anyway, nice to see TF3HZ back on 136kHz again. 

> Last night  on 136 OP32  ,  
> 
> 73-G,
> 
> 
> Not sure what to  make of this ,  only   3 dB  difference  ?
> take a dB or  so  for  distance  and  you  end up  with the 
> same erp ? 
> 
> 
> 
> Rx at Sun, 16 Aug 2015 23:45:23 GMT
> From G3XDV by SV8RV-10 Loc KM07KS
> Frequency: 0.136 MHz (2200m), OPERA, -35dB
> Distance: 2266 km bearing 125°
> 
> 
> 
> Rx at Sun, 16 Aug 2015 23:42:00 GMT
> From DK7FC by SV8RV-10 Loc KM07KS
> Frequency: 0.136 MHz (2200m), OPERA, -32dB
> Distance: 1621 km bearing 138°
> 
> 
> 
> 
>       G3XDV SV8RV-10 2200m OPERA 2266 km 23:45:23 
>       G3XDV TF3HZ 2200m OPERA 1859 km 23:45:23 
>       DK7FC SV8RV-10 2200m OPERA 1621 km 23:42:00 
>       G3XDV SP5XSB 2200m OPERA 1445 km 23:49:47 
>       DK7FC G3XKR 2200m OPERA 939 km 00:17:06 
>       DK7FC GW4NOS 2200m OPERA 892 km 22:31:50 
>       DK7FC G8HUH 2200m OPERA 851 km 21:21:42 
>       DK7FC G3XDV 2200m OPERA 681 km 00:17:07 
>       PA0OCD G3XKR 2200m OPERA 655 km 19:50:23 
>       PA0OCD G8HUH 2200m OPERA 557 km 21:07:08 
>       G3XDV DF2JP 2200m OPERA 475 km 23:45:23 
>       DK7FC PA0OCD-1 2200m OPERA 417 km 21:56:46 
>       DK7FC PA0OCD 2200m OPERA 417 km 23:06:54 
>       G3XDV G3XKR 2200m OPERA 298 km 23:45:22 
>       DK7FC DF2JP 2200m OPERA 255 km 00:17:07 
>       G3XDV 2E0ILY 2200m OPERA 203 km 23:45:22 
>       PA0OCD DF2JP 2200m OPERA 162 km 22:48:42 
>       PA0OCD PA7EY 2200m OPERA 12 km 19:50:23 
> 
> 
> 
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2015.0.6125 / Virus Database: 4392/10454 - Release Date:
> 08/17/15
>