HF Radio

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==HF RADIO==
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{{IsPartOf|HF_Radio}}
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Marine Radio and Cruiser's Nets times and frequencies.
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{{TOC block}}
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[[Image:Icom706.jpg|right|thumb|<center>The '''ICOM706 MKII G'''</center>]]
[[Image:Icom706.jpg|right|thumb|<center>The '''ICOM706 MKII G'''</center>]]
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Marine radio or 'maritime mobile' is the most effective means of communication at sea -  HF (High Frequency) and SSB (Single Side Band) radio frequencies are used for long range. VHF (Very High Frequency) marine channels for communication (line of sight range) up to about 30 nautical miles.
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HF, or high frequency, radios provide communication beyond the range of the traditional VHF radio that many mariners rely on in coastal waters. VHF radios are typically limited to near 30 miles of range while HF radios can cover thousands of miles.  There are generally two ways to take advantage of the HF spectrum while at sea: Marine Radio and [[Ham_Radio|Amateur Radio]].  Both have benefits and drawbacks.  It should be noted that while we identify these radios as HF they typically include MF or medium frequency coverage as well.  MF frequencies are especially important in the marine bands as they are the primary means of communicating with shore emergency services, such as the Coast Guard, when operating within 250 miles of the shore, in accordance with [https://secure.wikimedia.org/wikipedia/en/wiki/Global_Maritime_Distress_Safety_System GMDSS].
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* [[Ham_Radio|Ham Radio]]
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* [[SSB_Radio|SSB]] (Single Sideband)
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* [[Tuners]]
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* [[Radio Installation|Installation Aboard (Radio and antenna)]]
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* [[Battery Care|Care and Maintenance of Batteries]]
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* [[Email|Setup for Email and GRIB]]
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* [[Radio_Licencing|Licencing]]
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__NOTOC__
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Marine HF radio is also called ''SSB'' in some sailing circles.  ''SSB'', however, identifies the modulation of the transmission and not the actual frequencies used.  This would be akin to calling your VHF radio your ''FM'' radio.
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===Procedures===
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?
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==Cruiser's Maritime Mobile Radio Nets==
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Because HF communications are a bit less straight forward than VHF communications links below are provided to help break down the topic a bit.
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Marine radio nets are set up and run by "controllers" all over the world (Indian Ocean, Atlantic, Mediterranean, Pacific, etc.) to handle and co-ordinate this traffic from vessels sailing the oceans. It is important for cruising yachts to know these radio net frequencies and times so as to pass message traffic, log positions, receive weather information, etc.
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''Amateur radio unless otherwise noted. Please listen first to note the procedures of each net''.
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==Basic Radio Procedures==
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:Greenwich = Zulu = UTC
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{| border="1" cellpadding="1"
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|width="200pt"|'''Net Name'''
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|width="80pt"|'''HQ'''
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|width="200pt"|'''Covers'''
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|width="50pt"|'''Frequencies'''
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|width="70pt"|'''Times (Zulu)'''
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|'''MARITIME EMERGENCY NET'''||Various||Universal||14.340Mhz||0400hrs and 1800hrs
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|Swedish MM Net || ? || ? || 14.303MHz || 0530, 1630 & 2030hrs
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|Mediterranian Maritime Mobile Net|| ? ||Med||7.085Mhz ||0700hrs
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|U.K. M/M Net||U.K.||UK waters, Med & Atlantic||14.303 +/-QRMhz ||0800hrs & 1800hrs
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|Intnl. MM Net || ? || Atl., Med., Caribb. || 14.313MHz || 0630hrs
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|TransAtlantic Maritime Mobile Net|| ? ||Med, N & S Atlantic and Caribbean||21.400Mhz||1300hrs
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|South Atlantic Roundtable || ? || South Atlantic || 21.325MHz || 2330hrs
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|German Maritime Mobile Net|| ? ||Atlantic, Pacific, Indian Ocean, Med, (worldwide)||14.313kMhz||1630hrs
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|Micky Mouse Connection || ? || S Atlantic & S Pacific || 14.113MHz || 2100hrs
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|Mississauga Maritime Net (VE stations with relays)|| ? ||Europe, Med, Atlantic, Caribbean and Central America||14.122.5 Mhz||1245hrs
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|Mobile Maritime Net - South East Asian Waters||S.E.A Mobile||Japan to Seychelles - Hong Kong to N & W Australia. (Specifically: Philippines, Malaysia, Indonesia, N Australia, Thailand, Sri Lanka, The Andamans & Nicobars, Chagos||14.323Mhz ||0025hrs & Wx @ 0055hrs
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|South Africa Maritime Mobile Net||S Africa||Indian Ocean & S Atlantic||14.316Mhz & moves to 7.120Mhz @ 0630hrs||1130hrs (both freqs)
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|Radio Peri-Peri<br/>(Silent Key)||East Africa||Indian Ocean & S Atlantic||8.101Mhz @ 0500hrs (Wx) & then 12.353hz after Wx||1500hrs (both freqs)
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|Italian M/M Net. (Italian & English)||?||Wx  for E & N Atlantic and S Atlantic between Africa and Brazil||14.297Mhz||2000hrs
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|'Le Reseau Du Capitaine' Net||Montreal, Bi-Lingual||Atlantic, Caribbean & Pacific||14.118Mhz||0700 local & 1830loc. for Wx
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|Caribbean M/M Net||St Croix||Caribbean||7.237/241Mhz||1100hrs
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|Caribbean Weather Net || ? || Caribbean Wx || 7.163MHz || 1030hrs & 2230hrs
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|Caribbean Wx Net || ? || Caribbean Wx || 3.185MHz || 1030hrs & 2230hrs
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|Puerto Rico Wx Net || ? || Puerto Rico & Virgins || 3.030MHz || 2310 & 1110hrs
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|Barbados Info Net || ? || Caribbean || 7.185Mhz || 1230hrs
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|Partyline Net || ? || Caribbean & Central America || 14.260MHz || 2000hrs
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|East Caribb Net || ? || East Caribb (uncontrolled) || 6.215MHz || 1000hrs till 1200hrs
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|Mistene || ? || Caribbean Wx || 4.003MHz || 1215hrs
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|Mistene || ? || Caribbean Wx || 8.104MHz || 1230hrs
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|NW Caribbean Net || ? || NW Caribbean || 6.209MHz || 0800hrs local
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|NW Caribbean Cruiser's Net|| ? ||Mexico to San Andres Island, Colombia||8.188Mhz||1400hrs
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|Gulf Coast Hurricane Net || ? || Gulf Coast || 3.925MHz || 0100hrs
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|Carribus Net || ? || US E. Coast, Caribb || 14.283MHz || 1100hrs
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|Weather Check-in || ? || Caribb., Atlantic & Ease Pacific || 12.359MHz || 1920hrs
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|Maritime Mobile Service Net|| ? ||Atlantic, E Pacific & Gulf of Mexico||14.300Mhz ||1700hrs till 0200hrs
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|Cruiseheimer's Net|| ? ||US East coast & E Caribbean||8.152Mhz (Summer)<br>6.227Mhz (Winter) ||0830 EST
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|Coconut Telegraph || ? || Eastern Caribbean, from south of Bahamas to Trinidad, VZ, and ABCs|| 4060 Mhz USB || 0800hrs AST
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|Herb Hilgenberg's Southbound ll Net|| ? ||Wx for Atlantic & Caribbean - into Pacific later||12.359Mhz (SSB)||2000hrs check-in 1930
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|Panama Canal Connection Net|| ? ||Pacific - Mexico to Galapagos, Atlantic from Belize - Colombia|| ? || ?
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|Manana M/M Net|| ? ||US West coast to Hawaii||14.340Mhz||1200 PDT
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|Baja California M/M Net<br/>[http://www.bajanet.jackclarke.net Website] Jack VE3EED/W6|| ? ||Coastal Baja & California||7233.5hz||0800hrs (local)
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|Sandia Net || ? || US W.Coast, Baja || 7.294MHz || 0330hrs
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|Happy Hour Net || ? || W.Mexico, Baja || 3.968MHz || 0000hrs
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|Gerry's Happy Hour || ? || Pacific, Baja || 21.402MHz || 0200hrs (M-Fri)
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|Chubasco Net|| ? ||Mexico West coast||7.192MHz||1530hrs ST & 1430hrs DST
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|Waterway Radio & Cruising Club|| ? || ? ||7.268Mhz||0745 EST
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|Intercon Net || ? || N.Am., S.Am., Central Am. || 14.300/313 || 1100hrs & 2200hrs
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|Bejuka Net || ? || Central Am. || 7.240MHz || 1700hrs
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|Cal Hawaii Net || ? || E Pacific || 14.340MHz || 1700hrs
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|Hawaii AM Net || ? || content || 7.285MHz || 1900hrs
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|Patagonian Cruisers' Net || Villarica, Chile || Chile, Sthn Argentina,Falklands/Malvinas, S. Georgia,Antarctic Peninsula || 8164 MHz USB || 1300 hrs (Winter) 1200 hrs (Summer) eg. 0900 Chilean Time
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|Pacific Inter-Island Net|| ? ||Micronesia & up to Hawaii - daily roll-call||14.315Mhz||0800hrs
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|Pacific Seafarers Net|| ? ||Pacific - roll-call||14.300Mhz||0300hrs to 0325hrs
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|Pacific Maritime Mobile Service Net|| ? ||Pacific & worldwide||21.412Mhz||2100hrs
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|Harry's Net || ? || W & S Pacific || 7.095MHz || 2000hrs
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|Confusion Net || ? || Pacific || 14.305MHz || 1900hrs
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|Arnold's Net || ? || South Pacific || 14.318MHz || 0400hrs
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|N Zealand Wx Net || ? || N Zealand || 7.080MHz || 2000hrs
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|Roy's Net||Perth, Oz||Wx warnings & then covers boats in N & W Indian Ocean||14.320Mhz||1115hr
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|Comedy Net|| ? ||Oz - Southwest Pacific. Position reports, Wx, local inter-yacht traffic||7.087Mhz||2040hrs
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|Tony's Net|| N Z ||Positions from S Pacific & Oz region, Wx||14.315Mhz||2100hrs
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|Russell Radio (SSB)<br/>[http://www.russellradio.org.nz Website]|| N Z ||South Pacific to Easter Island, Australia, N Zealand||6.516 Mhz<br/>4.445 Mhz<br/>4.417 Mhz||0600 - 0630hrs<br/>0630 - 0700hrs<br/>0700 -  0730hrs
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|South China Sea Net || ? || South Pacific || 14.320MHz || 1000hrs
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|Okera Net || Ogasawara Is.<br/>[http://www.okeranet.com Website] || Japan and the Pacific || 21.437Mhz || 03:20hrs zulu
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|Seagull Net || Hokkaido Is. || Japan and Pacific || 21.382Mhz || 22:00hrs zulu
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|content || content || content || content || content
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'''Additional information on the above Nets'''
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See [[Radio Calling Procedure]].  This applies to routine and distress calls for both HF Radio and [[VHF Radio]], any differences are noted.
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Post more info below ....
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==Equipment Check==
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* Is the correct frequency/channel selected?
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* Is the volume adjusted correctly?
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* Is the squelch adjusted correctly?
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* Is the RF gain set to maximum sensitivity?
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* Power supply - is the battery fully charged?
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* Antenna - are the leads and whip intact, not corroded, have proper earthing and connections in good order?
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* Listen before transmitting to ensure you have a clear channel
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===Additions & edits for the Net's table above===
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==See Also==
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Please add edits and/or additions to the Cruiser's Nets table (above) HERE. A "sysop" will edit them into the table.
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* [[SSB_Radio|Marine MF/HF Radio]] (SSB)
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*  
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* [[Ham_Radio|Ham Radio]]
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*  
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* [[Radio Installation|Installation Aboard (Radio and antenna)]]
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*
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* [[Battery Care|Care and Maintenance of Batteries]]
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* [[Email at Sea]]
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* [[Radio_Licencing|Licencing]]
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* [[Tuners]]
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* [[Weatherfax]]
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===References===
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==References==
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Publications, manuals, etc.
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* {{Reference|John C. Payne|Marine Electrical & Electronics Bible|Sheridan House|1574090607}}
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===Forum Discussions===
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==Forums==
List links to discussion threads on [[Cruising Forums|partnering forums]]. (see link for requirements)
List links to discussion threads on [[Cruising Forums|partnering forums]]. (see link for requirements)
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* [http://www.cruiserlog.com/forums/index.php?showtopic=3306 HF Radio for cruisers (on CruiserLog).]
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* [http://www.cruiserlog.com/forums/index.php?showtopic=3306 HF Radio for cruisers] on Cruiser Log.
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* [http://www.cruiserlog.com/forums/f45/ Power and Electronics] on Cruiser Log.
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* [http://www.cruisersforum.com/forums/tags/ssb.html SSB topics] on Cruisers Forum.
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===External links===
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==Links==
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* [http://en.wikipedia.org/wiki/High_frequency High frequency] on wikipedia
* [http://hamradio.arc.nasa.gov/meetings/HFradioatsea.html HF Radio at sea] by Richard Mogford - A first class article on setting up HF on a cruising yacht.
* [http://hamradio.arc.nasa.gov/meetings/HFradioatsea.html HF Radio at sea] by Richard Mogford - A first class article on setting up HF on a cruising yacht.
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* [http://wireless.wikia.com/wiki/Wi-Fi_on_a_Boat#External_Links Wi-Fi On a Boat] Excellent article on the subject.
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* [http://wireless.wikia.com/wiki/Wi-Fi_on_a_Boat#Links Wi-Fi On a Boat] Excellent article on the subject.
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* [http://www.yachtcom.info/Frequencies.htm MF/HF Frequencies (Yachtcom)]
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* [http://www.docksideradio.com/east_coast.htm More cruiser's nets]
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* [http://www.freewebs.com/seawrite/lusradiopage.htm Rod Heikell's radio page]
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* [http://en.wikipedia.org/wiki/Global_Maritime_Distress_and_Safety_System GMDSS] on wikipedia
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{{Guide1}}
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* [http://en.wikipedia.org/wiki/Digital_Selective_Calling DSC] on wikipedia
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|style="color:#000;"| | [[World Cruising and Sailing Wiki|HOMEPAGE]] | [[World Cruising Guides|Wiki Contents]] | [[HF_Radio|HF Radio & Cruiser's Nets]] |
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{{page useable}}
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{{Contributors|[[User:Lighthouse|Lighthouse]], [[User:MMNETSEA|MMNETSEA]], [[User:Admin|Admin]], [[User:Frank|Frank]], [[User:Svzephyr44|Svzephyr44]], [[User:Streetlegal|Streetlegal]], [[User:Sparks|Sparks]], [[User:Haiqu|Haiqu]], [[User:Delatbabel|Delatbabel]]}}
[[Category:Marine Communications]]
[[Category:Marine Communications]]

Revision as of 03:17, 2 June 2016

WorldHF_RadioHF Radio


The ICOM706 MKII G

HF, or high frequency, radios provide communication beyond the range of the traditional VHF radio that many mariners rely on in coastal waters. VHF radios are typically limited to near 30 miles of range while HF radios can cover thousands of miles. There are generally two ways to take advantage of the HF spectrum while at sea: Marine Radio and Amateur Radio. Both have benefits and drawbacks. It should be noted that while we identify these radios as HF they typically include MF or medium frequency coverage as well. MF frequencies are especially important in the marine bands as they are the primary means of communicating with shore emergency services, such as the Coast Guard, when operating within 250 miles of the shore, in accordance with GMDSS.

Marine HF radio is also called SSB in some sailing circles. SSB, however, identifies the modulation of the transmission and not the actual frequencies used. This would be akin to calling your VHF radio your FM radio.

Because HF communications are a bit less straight forward than VHF communications links below are provided to help break down the topic a bit.

Basic Radio Procedures

See Radio Calling Procedure. This applies to routine and distress calls for both HF Radio and VHF Radio, any differences are noted.

Equipment Check

  • Is the correct frequency/channel selected?
  • Is the volume adjusted correctly?
  • Is the squelch adjusted correctly?
  • Is the RF gain set to maximum sensitivity?
  • Power supply - is the battery fully charged?
  • Antenna - are the leads and whip intact, not corroded, have proper earthing and connections in good order?
  • Listen before transmitting to ensure you have a clear channel

See Also

References

  • John C. Payne, Marine Electrical & Electronics Bible, Sheridan House, ISBN 1574090607

Forums

List links to discussion threads on partnering forums. (see link for requirements)

Links



This is a usable page of the cruising guide. However, please contribute if you can to help it grow further. Click on Comments to add your personal notes on this page or to discuss its contents. Alternatively, if you feel confident to edit the page, click on the edit tab at the top and enter your changes directly.
SailorSmiley.gifContributors to this page

Names: Lighthouse, MMNETSEA, Admin, Frank, Svzephyr44, Streetlegal, Sparks, Haiqu, Delatbabel


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