Mariachi states of Colima, Nayarit, and Michoacán have also claimed it. However, by the late 19th century, the music was firmly centered in Jalisco. Most legends put the origin of the modern mariachi in the town of Cocula, Jalisco. The distinction from son to modern mariachi comes from the modification of the music. By the end of the nineteenth century, the European art music tradition was firmly transplanted to Mexico, with opera, salon music, waltzes, and more written and performed both by Europeans and Mexicans in the country. One variety was the salon orchestras called "orquestas típicas" that performed in more
WARC bands codified in official recommendations, such as the IARU Region 1 HF Manager's Handbook, which states: Contest activity shall not take place on the 10, 18 and 24 MHz bands. Non-contesting radio amateurs are recommended to use the contest-free HF bands (30, 17 and 12m) during the largest international contests. (DV05_C4_Rev_07) Canada is part of region 2 and as such is subject to the IARU band plan. Radio Amateurs of Canada offers the bandplan below as a recommendation for use by radio amateurs in that country but it does not have the force of law and should only be considered a