When she or he will be able to write down on paper at least 90% of the sequence, she or he will add another letter of the Koch sequence. Then the application will run with three letters and so on.
I love using this application on my smartphone because I can exercise at any time and anywhere.NOTE ON GARBLED AUDIO – Garbled audio has been fixed: starting from Android 4.1, 8-bit audio support has been broken; 16-bit audio still works.73 de IZ2UUF
DXpeditioner Dom Grzyb, 3Z9DX, plans to travel to North Korea later this month to discuss his proposed Amateur Radio operation from that country. Nort... Read more
The D2T is a non-resonant high-impedence antenna, composed of two folded dipoles dephased by 180°. It has a non-inductive terminating resistor and bro... Read more
“The ARRL’s Logbook of The World (LoTW) online “card-less” contact-confirmation service this week recorded a new milestone — 100 million QSL rec... Read more
The League Amateur Radio Emission Brazilians – LABRE-SP offers all Brazilian or foreign ham the Certificate City of São Paulo, the city a... Read more