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Simrad ST90 Installation Manual

Simrad ST90
536 pages
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442703/B
467
NMEAHDMdatagramformat
TheNMEAHDMdatagramprovidesvesselheadingindegreesmagnetic.Thedatagram
formatisnolongerrecommendedforuseinnewdesigns.Itisoftenreplacedbythe
NMEAHDGtelegram.
Format
$--HDM,x.x,M*hh<CR><LF>
Description
1$—:Talkeridentier
2HDM:Datagramidentier
3x.x,M:Heading(DegreesMagnetic
4*hh:Checksum
Relatedtopics
NMEAdatagramformats,page461
NMEAHDTdatagramformat
TheNMEAHDTdatagramprovidesthetruevesselheading.Theinformationis
normallyprovidedbyacoursegyro.
Format
$--HDT,x.x,T*hh<CR><LF>
Description
1$—:Talkeridentier
2HDT:Datagramidentier
3x.x,T:Heading(DegreesTrue)
4*hh:Checksum
Relatedtopics
NMEAdatagramformats,page461
Datagramformats

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Simrad ST90 Specifications

General IconGeneral
BrandSimrad
ModelST90
CategorySonar
LanguageEnglish

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