TM 5-6675-318-14Table 9-2. METER AND AMATEUR RF BANDS - ContBANDWIDTHDESCRIPTION6049413125191613m Band (4.75-5.06 MHz)Like 120 m and 90 m bands and is used chiefly for local broadcasts in tropicalregions.m Band (5.95-6.2 MHz)Mainly used for short and medium distance international broadcasts and localb r o a d c a s t s.m Band (7.1-7.3 MHz)Propagation of this wave is similar to that of 49 m band. It is chiefly usedfor medium- to short-distance broadcasting.m Band (9.5-9.775 MHz)Heavily used for international as well as local broadcasts. Shortwaveb r o a d c a s t s o f d i f f e r e n t c o u n t r i e s a r e t r a n s m i t t e d i n t h i s b a n d a n d , i freceiving conditions are favorable, it is possible to receive many stationsat every 5 kHz.m Band (11.7-11.975 MHz)Propagation of this wave is similar to that of 31 m band. Many internationalbroadcasting stations with strong output signals use this band throughout they e a r.m Band (15.1-14.45 MHz)Chiefly used by international broadcasting stations and is regarded as “mainband."From this band to higher frequency bands, reception becomes difficultas number of solar spots decreases.m Band (17.7-17.9 MHz)Used by international stations for purposes similar to 19 m band, but because itis greatly affected by any slight change in solar spots and in differen tseasons, reception is often impossible.m Band (21.45-21.75 MHz)U s e d f o r l o n g - d i s t a n c e i n t e r n a t i o n a l b r o a d c a s t s . I t i s u s e d r e g a r d l e s s ofseasons when solar spots are active.Condition of this band changes from timet o t i m e.9-45
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