В каком диапазоне длин волн работает передатчик, если ёмкость его колебательного контура может изменяться в пределах от С1 = 60 пФ до С2 = 240

Otter - large animal with an elongated, flexible body streamlined shape. Legs short, with swimming membranes. Otter leads semiaquatic image life, fine swimming, diving and digging their own food in the water. Water is vital for otters, it is obtains food, looking for salvation from danger. But the land has a life otter great importance: it arranges animal shelters and breed, rest, undergoes transitions between the reservoirs. 
Distributed river otter is very wide - almost the entire Eurasia, from the northern forests to the tropical islands of the Malay Archipelago; lives she and the north-west Africa. Although the nature of the otter man escapes in captivity it is easy to tame, friendly. In some countries, local people sometimes tamed otters use for catching fish 
One time otter exterminated. In recent decades, hunting it is limited everywhere. Yet in Europe the number of its steadily decreases. On the otter population severely affect deforestation.

Otter — a large animal with the extended, flexible body streamlineforms. Paws short, with swimming membranes. The otter conducts a semi-water imagelives, perfectly floating, diving and getting itself food in water. Water is vital for an otter: in it itgets food, looks for rescue from danger. But also the land has in otter lifegreat value: on it the animal suits shelters and breeds, has a rest,makes transitions between reservoirs. 
The river otter very widely — almost is widespread on allEurasia, from the northern woods to tropical islands of the Malay Archipelago; livesit and in the northwest of Africa. Though in the nature the otter of the person avoids, in bondageshe is easily tamed, is friendly. In some countries locals sometimesuse the tamed otters for catching of fishes
At one time the otter was exterminated. In the last decades huntingon it it is limited everywhere. And still in the countries of Europe its quantity steadilydecreases. Deforestation has extremely an adverse effect on the number of an otter.