Knowledge

Band III

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In North America, use of the band for television broadcasts is still widespread. Favorable propagation characteristics and reasonable power limits (up to 65 
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Amateur (Ham) Radio has a small allocation of the band, known as the 1.25meter band, from 219 to 220MHz and 222.0 to 225.0MHz for communications.
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standard can be used in conjunction with VHF Band III and is used as such in some places. The use of sub-band 2 and sub-band 3 band for
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is now being widely adopted. Sub-band 1 is used for MPT-1327 trunked PMR radio, remote wireless microphones and PMSE links.
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European Band III allocations vary from country to country, with channel widths of 7 or 8 MHz.
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The band is subdivided into seven channels for television broadcasting, each occupying 6 MHz.
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The band came into use for radio broadcasting at the turn of the 21st century and is used for
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FCC TV Query: US DTV construction permit listings for VHF Band I (ch 2-6) and III (ch 7-13)
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has allocated 8 channels in Band III for digital television, each with 7 MHz bandwidth.
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The standard channel allocations for European countries that use
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In the UK and part of Ireland, Band III was originally used for
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It is subdivided into a number of frequency blocks:
1659: 154:with 7 MHz channel spacing are as follows: 997:Broadcast bands with Roman numeral designations 403:Russian analog television is transmitted using 1089: 982: 1096: 1082: 989: 975: 61: 1660: 913:services in the US shut down in 2009. 1474: 1077: 970: 237:(8 MHz) system is shown below. 396:Russia and other former members of 13: 1475: 871: 833: 14: 1684: 46:broadcasting. It is also called 38:(MHz). It is primarily used for 1630: 66: 887:, versus 20 kW or less on 1570:Error detection and correction 949: 938: 926: 407:with 8 MHz channel bandwidth. 1: 919: 22:is the name of the range of 7: 1643:Comparison of radio systems 838: 10: 1689: 1616:International broadcasting 1585:FM extended band in Brazil 866:Digital Audio Broadcasting 860:Digital television in the 485:Digital Audio Broadcasting 308: 16:Range of radio frequencies 1624: 1603: 1542: 1502: 1481: 1470: 1426: 1383: 1353: 1317: 1282: 1275: 1227: 1156: 1125: 1118: 1053: 1030: 1002: 142: 902:frequencies to Band III 478: 32:electromagnetic spectrum 1595:Shortwave relay station 1494:Audio signal processing 50:, in contrast to Bands 1489:Audio data compression 1668:Broadcast engineering 1590:Multipath propagation 1413:MPEG-1 Audio Layer II 1283:Frequency allocations 1158:Frequency allocations 1543:Technical (emission) 906:when all full-power 62:Broadcast Television 857:colour television. 28:very high frequency 933:TV Frequency Table 885:digital television 30:(VHF) part of the 1655: 1654: 1651: 1650: 1575:FM broadcast band 1482:Technical (audio) 1379: 1378: 1271: 1270: 1071: 1070: 957:"1.25-meter band" 911:analog television 831: 830: 827:239.200 MHz 819:237.488 MHz 811:235.776 MHz 803:234.208 MHz 795:232.496 MHz 787:230.784 MHz 779:224.096 MHz 771:229.072 MHz 763:227.360 MHz 755:225.648 MHz 747:223.936 MHz 739:217.088 MHz 731:222.064 MHz 723:220.352 MHz 715:218.640 MHz 707:216.928 MHz 699:210.096 MHz 691:215.072 MHz 683:213.360 MHz 675:211.648 MHz 667:209.936 MHz 659:208.064 MHz 651:206.352 MHz 643:204.640 MHz 635:202.928 MHz 627:201.072 MHz 619:199.360 MHz 611:197.648 MHz 603:195.936 MHz 595:194.064 MHz 587:192.352 MHz 579:190.640 MHz 571:188.928 MHz 563:187.072 MHz 555:185.360 MHz 547:183.648 MHz 539:181.936 MHz 531:180.064 MHz 523:178.352 MHz 515:176.640 MHz 507:174.928 MHz 499:Centre Frequency 476: 475: 472:222-230 MHz 464:214-222 MHz 456:206-214 MHz 448:198-206 MHz 440:190-198 MHz 432:182-190 MHz 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1560:Cable radio 1503:Technical ( 1263:DVB-T2 Lite 1119:Terrestrial 26:within the 1662:Categories 1442:DirectBand 1428:Subcarrier 1130:modulation 920:References 882:full-power 851:television 845:monochrome 44:television 1505:AM stereo 1364:Sirius XM 1357:providers 1276:Satellite 314:Australia 36:megahertz 1604:Cultural 1534:Magnavox 1507:formats) 1457:SCA/SCMO 1452:RDS/RBDS 1255:HD Radio 1245:DRM/DRM+ 1240:DAB/DAB+ 1022:Band III 855:625-line 848:405-line 413:Channel 405:System D 322:Channel 243:Channel 160:Channel 152:System B 77:Channel 20:Band III 1430:signals 1398:AMR-WB+ 1250:FMeXtra 1063:Band VI 1040:Band IV 1017:Band II 309:Oceania 1524:Harris 1519:C-QUAM 1408:HE-AAC 1385:Codecs 1369:Canada 1335:DVB-SH 1309:S band 1304:L band 1290:C band 1214:L band 1105:Analog 1045:Band V 1012:Band I 892:Band I 839:Europe 496:Block 143:Europe 1514:Belar 1340:S-DMB 1330:DAB-S 1235:CAM-D 1148:COFDM 1127:Radio 862:DVB-T 479:Radio 235:Irish 40:radio 1462:DARC 1437:AMSS 1418:DRA+ 1299:band 1208:high 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52:I

Index

radio frequencies
very high frequency
electromagnetic spectrum
megahertz
radio
television
I
II
System B
Irish
Australia
OIRT
System D
Digital Audio Broadcasting
monochrome
405-line
television
625-line
DVB-T
Digital Audio Broadcasting
kW
full-power
digital television
VHF
Band I
ATSC
UHF
VHF
NTSC
analog television

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