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Thread: D4 and HF antenna mount

  1. #1
    Join Date
    Nov 2009
    Location
    Travelling (NFA)
    Posts
    278

    D4 and HF antenna mount

    Hi guys
    Just looking for methods of mounting a Codan 9350 antenna at the rear of a D4.
    Interested in any viable long term permanent methods.
    No rear wheel carrier is fitted.
    2001 Disco 2 - EU3 TD5 Auto
    (Build Date: 08/01)
    Mods: 2" Lift, HD Springs, Rear Bags,
    ECU upgrade, IC, Silicone Pipes, EGR, De-web,
    Digital EGT, Boost & Trans, 160W Spots,
    12000lb Winch, Icom UHF & Codan NGT HF
    245 75R16 Toyo 'Open Country' M/T's


  2. #2
    Join Date
    Aug 2012
    Location
    Braidwood, NSW
    Posts
    301
    Install a rear wheel carrier? D4 and HF antenna mount Haha

    Jokes aside. I've seen a few options on other vehicles over the years.

    Tow hitch mount is one, not permanent and I'm not sure I'd want my expensive antenna blunting around like that.

    I've seen a couple of door mounts. Some have involved some custom drilling, nutserts, etc. Some seem to mount in a similar way to ladders.

    Which gives me an idea that I haven't seen, would it be viable to install a ladder on the rear and then fabricate a mount off of that? I don't have a ladder on mine so I couldn't be sure. My concern would be if the ladder and it's mounts could take the weight. You'd assume so, as it's designed to take a human, but it isn't designed to take a human while driving.

    My two cents to hopefully give you something to chew on. Someone else who has done it (there has to be a few) will pop in at some point soon.
    -------------------------
    Chris Phillips


    Offroader: 1996 Discovery 300TDI (The Green Donkey)
    Missus: 2010 Discovery 4 TDV6 (Fancy thing)
    Just 'cause: 1999 Discovery SE 3.9L V8 (Makes fun noises, sometimes...)
    Spares: 1998 Discovery 300TDI (Only vehicle actually in the garage..........)

    Run around:
    2001 Nissan Pulsar ST 1.8L (Soul crusher)

  3. #3
    Join Date
    Apr 2012
    Location
    Whyalla, South Australia
    Posts
    3,270
    Fit a ladder to the door....

    Personally, I wouldn’t fit one. Old tech now.
    Cheers
    Tombie

    D4 MY11 - Stormy

    D90 MY15 - Ike
    D2 TD5

    Tesla Cybertruck Tri-Motor AWD On order...due 2021
    Gone - D1 AZZKIKR - 5.0L Supercharged with the lot
    Gone - Tombraider Defender - Lara
    Two wheels
    2007 Suzuki M109R LE
    2020 Suzuki Katana

  4. #4
    Join Date
    Dec 2011
    Location
    Adelaide
    Posts
    685
    I have a multi tap whip for my HF and its on a fold down mount on the roof rack. It says "laid flat" when not in use and I just put it up when I want to use it.
    The big Codan auto tune mount may be too large for that, but if you have a roof rack, it might give you an option.
    Alan
    2006 Disco 3, 4L V6 Petrol SE
    No 5 Trailer ARN 177-295
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

  5. #5
    Join Date
    Dec 2011
    Location
    Adelaide
    Posts
    685
    maxresdefault.jpg
    Just found a pic of what I use. Like I said, may not be good for the big ATU, but might give you an idea or 2.
    alan
    2006 Disco 3, 4L V6 Petrol SE
    No 5 Trailer ARN 177-295
    SOLD Engineers Trailer - no id
    SOLD RAAF 231194 Perentie 110 GS - SIR ANGUS
    SOLD 4MP COY Series 3 FFR 30-209

  6. #6
    Join Date
    Aug 2016
    Location
    Melbourne
    Posts
    422
    Not that I can offer much help. But for the other posters on this topic. A HF antenna mount that automatically seeks the correct alignment is not like a CB radio one. It is a heavy substancial unit that requires a good earth. I have a HF radio but with self tapping for the channels. It is very thick and heavy (not as heavy as the Codan) as it is not a self seeking one. But the brackets shown here would /could not take the load of mine leave alone the Coidan unit mentiuoned here. When I go away I do not have the antenna permanently attached, but have rigged up a base plate on my tow hitch. It just means I have to bolt it down and attach the lead to the base unit (which is in the rear of the car). Takes about 5mins to set up. It is sometimes a pain, as you cannot talk while on the move etc. But as the VKS skeds are in the AM and PM, I have usually stopped for the day and so not really an issue. I only use it for very remote travel now or if if I am a single car only. The only permanent fixing options are a mount on a Bull Bar or a RWC. As Tombie says they are a bit old tech but its nice to catch up with the operators every so often.
    2016.5 TDV6 Graphite D4, Corris Grey, APT sliders, Goe air comp plate, UHF & HF radio, Airflow snorkel, Discrete Winch,Compomotive rims with 265/65/18 KO Ta's, LLAMs, Traxide dual battery with winch set up, EAS emergency kit, Mitch Hitch

  7. #7
    Join Date
    Aug 2012
    Location
    Braidwood, NSW
    Posts
    301
    divine, you are 100% correct, those UHF antenna style mounts would have a heartattack with the weight of the Codan antenna!

    My thoughts around using a ladder as the starter for the mount would be that it gives you a secure starting point that doesn't involve any weird new holes, etc. if you were to make something from scratch. It would still be a custom mount that would take a bit of engineering to ensure it would hold up to the task. As for grounding, that shouldn't be a huge issue to resolve if you went away from the standard rwc or bull bar mounts. Just have to make sure you keep it within the specs provided by Codan.

    Codan are a great bunch, certainly their Defence/Government team have always been great to work with. I've seen them mount radios and antennas in some less than ideal locations over the years with success. It might be worth giving them a bell to chat about your options if you are keen on a bull bar or rwc mount. Some retailers aren't necessarily the experts you need for the non-standard (not installing it on the rear-wheel carrier of a Land Cruiser) install......

    HF might be old tech, but I have relied heavily on it in the past when the environment/situation is less than ideal. Sat phones are amazing and the pricing for the phones and plans has plummeted over the years. Satellites are vulnerable and in the current climate I would personally be giving myself a backup option if I was heading well off the beaten track. HF is definitely less susceptible to environmental issues as well.
    -------------------------
    Chris Phillips


    Offroader: 1996 Discovery 300TDI (The Green Donkey)
    Missus: 2010 Discovery 4 TDV6 (Fancy thing)
    Just 'cause: 1999 Discovery SE 3.9L V8 (Makes fun noises, sometimes...)
    Spares: 1998 Discovery 300TDI (Only vehicle actually in the garage..........)

    Run around:
    2001 Nissan Pulsar ST 1.8L (Soul crusher)

  8. #8
    Join Date
    Mar 2015
    Location
    Horsham Victoria
    Posts
    474
    Quote Originally Posted by rapserv View Post
    Hi guys
    Just looking for methods of mounting a Codan 9350 antenna at the rear of a D4.
    Interested in any viable long term permanent methods.
    No rear wheel carrier is fitted.
    Gday Dave
    Would a Codan 3040 be an option?
    I’m looking into them for same reason.

    Rob

  9. #9
    Join Date
    Jan 1970
    Location
    NSW far north coast
    Posts
    16,480
    As said, the autotune 9350 base weighs a bit.
    5.3kg sans the whip. I just plonked it on my digi scales.
    I'm making a new mount for the D2.
    As mentioned, a multi tap whip can mount on a standard UHF mounting tab, that's where's mine sat on the bull bar on my old Defender but the Autotune base is far more bulky and weighty.

    I get what Tombie says re HF is old tech vs a sat phone but some of us have the gear and it still works well.

  10. #10
    Join Date
    Nov 2009
    Location
    Travelling (NFA)
    Posts
    278
    Quote Originally Posted by libertyts View Post
    Install a rear wheel carrier? D4 and HF antenna mount Haha

    Jokes aside. I've seen a few options on other vehicles over the years.

    Tow hitch mount is one, not permanent and I'm not sure I'd want my expensive antenna blunting around like that.

    I've seen a couple of door mounts. Some have involved some custom drilling, nutserts, etc. Some seem to mount in a similar way to ladders.

    Which gives me an idea that I haven't seen, would it be viable to install a ladder on the rear and then fabricate a mount off of that? I don't have a ladder on mine so I couldn't be sure. My concern would be if the ladder and it's mounts could take the weight. You'd assume so, as it's designed to take a human, but it isn't designed to take a human while driving.

    My two cents to hopefully give you something to chew on. Someone else who has done it (there has to be a few) will pop in at some point soon.

    Thanks Chris for your reply.
    I have been thinking along the same lines.
    The rear wheel carrier would certainly make it much easier to fit, however, I don't want to be swinging a carrier out of the way every time I need to get into the rear of the vehicle .. not to mention the frustration of SWMBO
    2001 Disco 2 - EU3 TD5 Auto
    (Build Date: 08/01)
    Mods: 2" Lift, HD Springs, Rear Bags,
    ECU upgrade, IC, Silicone Pipes, EGR, De-web,
    Digital EGT, Boost & Trans, 160W Spots,
    12000lb Winch, Icom UHF & Codan NGT HF
    245 75R16 Toyo 'Open Country' M/T's


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