Sorry you had trouble finding people. Around that time, I was up on 15m (21074-ish) wkg LU5BE in Feld Hell.
Oftentimes, you are better off looking just about the PSK31 bands (14073, 21073, etc) using RSID and calling CQ. More people are around those freqs; they'll answer just about any mode with RSID. There is often DX up there as well. 14063 is more active during the evenings and weekends...during the weekday hours, stay where there is more activity.
Also, feel free to sign on and let others know that you're using Feld Hell: http://hamspots.net/fh/
Hope this stuff helps.