HB9AK's blog

2m WINLINK gateway HB9AK-1 adds VARA FM

The 2m 'multispeed' gateway HB9AK-1, that is offering packet radio access to the WINLINK network with different modulations and speeds (AFSK 1200 Bd, BPSK 1200 Bd, BPSK 2400 Bd, QPSK 2400 bps, QPSK 3600 bps) has now added VARA FM (both 1200 and 9600) as additional modes of operation. The gateway listens in all modes for connect requests and answers in the respective mode. VARA FM (9600) reaches a throughput of up to 80 kBytes/min, a more than ten fold increase compared to conventional packet AFSK1200.

DXpedition blog via HB9AK

ON4GS and ON4CO are on a DXpedition to St. Kilda Island (EU-059). They are updating their blog automatically with e-mails sent via the WINLINK system. A nice application! They are just using a FT-817 (5W) and a PTC-II modem.
See the blog at https://stkilda.on4gs.net/blog/

HB9AK now with 580 Ah battery backup

HB9AK has got power backup with 4 12V lead-acid batteries of 145 Ah each. The new energy laws of Switzerland will lead to a very unreliable and intermittent electric power supply. We hope that this battery backup will help to counter power downs when sun is not shining and wind is not blowing...


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