How I made QRSS connections on KV

Visual CW, alebo pomalá telegrafia, takto nejako by sa dala vysvetliť skratka QRSS. Táto prevádzka sa používa hlavne na VLF pásme 137 kHz. Málokto vie, že QRSS chodí aj na KV, hoci vo veľmi malej aktivite. Trochu som posurfoval po internete a dočítal som sa o niekoľkých frekvenciách, kde sa odporúča s QRSS pracovať – 3585, 7037 a 10140 kHz. Zo stránky www.QSL.net/on7yd som stiahol programy a začal testovať príjem najprv na 137,7 kHz. Na príjem som používal program ARGO od I2PHD/IK2CZL a na vysielanie som pripravil program QRS od ON7YD. Úspech sa dostavil, nejaké spojenia som uvidel na monitore, niektoré stanice som aj počul (zariadenie TS-450SAT a antenna Pyramída na 80 metrov). Následne som začal testovanie na KV.

I found out that if on 137 kHz there is an effort to increase the power, then on KV there is an effort to use minimum power. I started broadcasting later with 5W, 1W and finally ended up with 300 milliwatts. It required a lot of patience, because a dot in QRSS3 mode lasts 3 seconds. The whole type challenge CQ OM100TS K went for about 6 minutes. So you can imagine what kind of pace it is. I'll admit that I posted an incredible amount. Fortunately, the computer was broadcasting it for me. I also used "self-advertise" via DX cluster a úspech sa dostavil.

After a year of irregular transmission under OM100TS on QRSS3, I managed to make 4 connections (1xOM, 2xDL and 1xG). It's no glory, but what followed after that literally shocked me. I received a picture via email from Australia from VK6DI. That day I was transmitting on 10140 kHz, powering 300 milliwatts into the AP8 vertical antenna. The result can be seen in the picture. Won't you try it?

Equipment on the receiving side VK6DI – FT-920, 40m dipole 9m above the ground. Power OM1II (OM100TS) approx. 300mW to vertical AP8. The type of device does not matter, but the condition is high stability and precise tuning. The width of the signal at such a speed, rather it should be said slowness, is about 1 Hz. The program has a scale of 100 Hz. It could easily happen that the opposing station can tune out of the given scale. These are very weak signals that we may not hear because they may be below the noise level. However, why the program evaluates them, you have to ask the mathematicians.

Spring OM1II