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  1. #31
    Join Date
    Jun 2002
    Location
    Solent
    Posts
    6,713

    Default Re: AIS - essential kit these days for channel crossing?

    I always work on the basis that I would rather take appropriate action to avoid others than rely on them missing me. I drive a car the same way. If you assume all other drivers are idiots you will be prepared when you meet the one that is! On that basis I have radar and a 12" chartplotter with AIS receive only. Unfortunately you need a decent chartplotter to make AIS useful and it won't be much use on a tiny cheap one but if your buddy has a decent chartplotter he can buy a receiver quite cheaply. Don't forget to budget for a decent antenna splitter or separate antenna though or it won't work!

  2. #32
    Join Date
    Aug 2004
    Location
    Gosport
    Posts
    3,053

    Default Re: AIS - essential kit these days for channel crossing?

    I would have thought IRPCS Rule 5 would suggest at least AIS Rx.

    Pete
    Moody 31

  3. #33
    Join Date
    Mar 2009
    Location
    Chichester Harbour
    Posts
    405

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by Seajet View Post
    OK, what do you mean by RTE please, radar target enhancer ?
    Yes, Dual Band Echomax in my case. Mounted on the Pushpit rail. It sits there without any attention from me, making my little GRP yacht give a consistent between 20 to 100m squ m effective reflection on X band and between 5 to 7 squ metres on S Band. I can spend my time on watch looking around me as opposed to staring at a screen. The RTE is low power use as well. Budget meant it was I could have RTE or AIS (TX and RX) but not both.

  4. #34
    Join Date
    Sep 2014
    Location
    Scarborough
    Posts
    257

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by Pete7 View Post
    I would have thought IRPCS Rule 5 would suggest at least AIS Rx.

    Pete
    By all available means. If itís not fitted itís not available.

  5. #35
    Join Date
    Jun 2013
    Location
    Hopefully somewhere warm
    Posts
    9,617

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by West Coast View Post
    Budget is tight!
    Does he have a laptop/notebook? Really handy cruising and quark do a usb ais for 70 odd quid. Or if a bit geeky can be done with a rtl TV dongle and opencpn plugin, tenner maybe?

    http://www.ybw.com/forums/showthread...t=#post6926424
    Great for grib/synoptic/satellite weather overlays.
    Power can be minimal as much (most?) of the time it can be safely in sleep mode. If the laptop route is taken and need a hand with charts gimme shout, cm93 old but OK most of the time with raster navionics/cmap/satellite from sasplanet. Opencpn handy for marine traffic density screen turned into charts >
    https://github.com/boatybits/kap_fil...ter/UK_density

  6. #36
    Join Date
    Sep 2010
    Location
    West Sussex / Hants
    Posts
    28,771

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by Channel Sailor View Post
    Yes, Dual Band Echomax in my case. Mounted on the Pushpit rail. It sits there without any attention from me, making my little GRP yacht give a consistent between 20 to 100m squ m effective reflection on X band and between 5 to 7 squ metres on S Band. I can spend my time on watch looking around me as opposed to staring at a screen. The RTE is low power use as well. Budget meant it was I could have RTE or AIS (TX and RX) but not both.
    Thanks Channel Sailor, you've given me something new to consider - my funding would also be either not both.
    Anderson 22 Owners Association - For info please ask here or PM me.

  7. #37
    Join Date
    Aug 2004
    Location
    Gosport
    Posts
    3,053

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by mm42 View Post
    By all available means. If it’s not fitted it’s not available.
    Available in the local chandlers but I take your point. VHF should also be included in "all available means".

    Pete
    Moody 31

  8. #38
    Join Date
    Nov 2009
    Location
    Home UK Midlands / Boat Croatia
    Posts
    20,236

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by awol View Post
    [pedant] An AIS device that receives and transmits is NOT a "transponder" - you ignorant lot![/pedant]
    [pedant] An AIS device that receives and transmits IS a "transponder".[/pendant]

    (although that is not the AIS device under discussion)

    Richard

  9. #39
    Join Date
    Nov 2009
    Location
    Home UK Midlands / Boat Croatia
    Posts
    20,236

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by Ohlin Karcher View Post
    That's right, and also Echomax type RTE devices ( amazing there is only one maker so far) use a tiny bit of electricity as well.
    There were two makers, I believe, so it's actually going the other way.

    Richard

  10. #40
    Join Date
    Jan 2005
    Location
    Me Edinburgh, boat JWD
    Posts
    5,150

    Default Re: AIS - essential kit these days for channel crossing?

    Quote Originally Posted by RichardS View Post
    [pedant] An AIS device that receives and transmits IS a "transponder".[/pendant]

    (although that is not the AIS device under discussion)

    Richard
    We've been here before. A transponder is a device that responds to a received signal by transmitting its own. Examples are the Echomax that transmits when wiped by a suitable radar beam and a SART that does the same.
    A transceiver is a device like a marine VHF radio or an AIS that can transmit and receive signals
    Your own definition may vary but that's your problem.

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