More EbNaut VLF testing

Stefan DK7FC is doing another EbNaut test tonight:

Hi all,

Hereby i'm announcing the next EbNaut attempt for a longer night transmission, starting in a few hours:
f = 8270.100000 Hz
Start time: 22.Feb.2017   18:00:00 UTC
Symbol period: 30 s
Characters: 8
CRC bits: 16
Coding 16K21A
Duration: 11h, 12m, 0s
Antenna current: 700 mA

73, Stefan