????:1??????????:????????

2???????????

3???????VX

4????????

5????????

??12?26???? (?????????????????? ????)12??25????20????????????30????,??????????,???????????,????,?????????????????????????????,?,?????

???????,??,?????????????????,??,????,???VHF(????)????????????,??????????????????????,??????????????????,??????????????????,???????????????????,??????????,?????????????,?????????,???????,20?50??,?????,?????????????

??????????????,????????????,????????,????????,??????????????????????????,??????,????21?????????????10??????????,????,????????????????????????????????,??????????????????????????(?) ??????????????:?????