Últimas noticias / Latest news

2024-07-09: After a few years, my website is becoming operative.

UACTA VI. Aftermath. Back to ATAS-25 style sliding coil.

The issues arising with AutoT 6.25 precluded prolonged FT8 operation at full (100 W) power. And performance (in terms of power loss) was a reaso

UACTA V. Field testing: The end.

2024-06-26. Testing at summer QTH garden. By the end of June, the family moved to the summer QTH at IN52 Maidenhead square. A small garden wa

UACTA IV. On the air testing at home QTH

2024-06-18+19. Initial tests. After VNA testing (https://ea4hcn.es/2024/07/08/measuring-initial-vna-tests-of-alpha-automatch-and-autot-6-25/)

UACTA III. Measuring: Initial VNA tests of Alpha AutoMatch and AutoT 6.25

Antennas use cases It seems that, in despite of the similarities in the matching devices, the intended use arrangement is different for Alpha