Perseids 2014: YL/OK1MU & YL/OK2ZAW

   We, members of OL7M contest group, are QRV from KO07sh and KO17bf. With 11el OK2ZZ yagi, no LNA and abt 350W. There are some photos :)

KO07sh:

preparing at OL7M HF QTH (OK1NOR)

 Slavek OK1CU checking all elements :)

 After 1400km and 18h of ride... in KO07sh

 Pavel OK1MU in first QSO:

 Pavel OK1MU and Slavek OK1CU

Sasliky

 Sun set in KO07sh

 Jindra OK1NOR

 Sun rise in KO07sh

 Myself

It is not only about the radio :)

our las dinner in KO07

final team photo KO07 (OK2ZAW, OK1CU, OK1MU, OK1NOR)

EME tests from KO07:

Moon rise

Slavek OK1CU operates EME

Here we are...

We are really satisfied with operation from KO07. Thanks all for call, we had a nice time!

19 x EME + 9 x TROPO + 148 x MS = 176 QSO totaly from KO07SH

KO17bf:

here we are

Team in KO17

EME test from KO17:

Some videos:

4 x EME + 153 x MS = 157 QSO totaly from KO17BS

TOTALY 301 MS QSOs!
TOTALY 23 EME QSOs!

Thanks a lot to everyone for nice time during Perseids 2014. See you next year from ...? :)
Many Thanks to Mila OK1FPR for PA!

Open Interface by RemoteQTH.com ready 4U

   There is our new article, it is Open Interface. Middle box between your TRX and PC. The Interface is based on the Arduino open source K3NG CW keyer (link), USB to serial converters, USB audio codec and USB hub among all.

   There is a block diagram:

   The first seven pieces ready for you. More here.

   We used two of these interfaces during IARU HF contest 2014 as OL4HQ on 15m CW. We could not find any problem, no reset needed... BORE :)

News at OL7M QTH :)

   Unfortunately we do not have enough time :( Anyway we have some news there. New 5el OWA yagi for 20m band is now at 31m. It is situated above 80m wire system.

And we are not only amateur radio QTH :)

Six2two switch by QRO.cz

   This is a classic design of the double switch. PCB and relays can handle up to 3,5 kW and isolation is better than 80 dB. More information is at remoteqth.com

 

Example of use:

Insert loss:

Isolation:

The worst SWR: