[GreenKeys] OT: remote transceiver

[E.]

My antenna is a 5/8ths wavelength triple stack… about 43 feet to the tip and surrounded by trees, so I have no choice but to ground ;p .  On a good day, 80w on 2M, I can go a good 60 miles (nearly full quieting), depending on the repeater :) .


> On Jun 30, 2020, at 4:02 pm, Ralph Mowery <rmowery28146 at earthlink.net> wrote:
> 
> It depends on how far away the stations are you want to contact.  If not very far away, I would just mount the antenna low and not worry about grounding the antenna.  
> While I have a good antenna setup, I also have a dual band antenna mounted on the deck outside the that is about 10 feet off the ground and feed it in to the house in the living room to a separate rig.  The antenna is much lower than the roof of the house, so I do not worry about lightning .There is no ground for that antenna.  As I don’t operate very many repeater with it as the main thing is to monitor a 2 meter repeater I keep up.,  I just fed it with about 75 feet of rg-8x.  I probably would go to some low loss coax like Davis Burry Flex.  I just do not like the lmr 400 as the center conductor is copper coated aluminum.  Just my thing as I am sure there will probably be many saying that lmr 400 is ok.
>  
> Ralph ku4pt
>  
>  
>  
>  
> From: greenkeys-bounces at mailman.qth.net [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of Gil Smith
> Sent: Tuesday, June 30, 2020 4:14 PM
> To: aaa-greenkeys
> Subject: [GreenKeys] OT: remote transceiver
>  
> Hey folks:
>  
> Off-topic question for 2m/70cm only (not hf):
>  
> Let's say I have a great location for a roof antenna, but it's on the opposite side of my house from my lab where I want to operate a transceiver.  What do I do?
>  
> - run a really long antenna cable -- I'd rather not -- even low-loss LMR-400 would be 100 feet or more across the roof and not a clean run at that.
>  
> - just put the antenna on the lab side of the house -- yeah, have a spot on that roof section also, but the electrical panel is on the opposite side of the house, and I'd probably want to drive a few ground rods on the lab side and would then need to bury 150 feet or so of 4 awg bond wire to tie to the entrance ground at the panel.  Not a easy run for the bond wire either.
>  
> - some means to locate the transceiver near the antenna and control it remotely.
>  
> I can't believe that this is a unique situation just for me.  Yeah, some fancy transceivers allow control over an internet connection, but those seem to mostly be thousands of dollars and/or are hf rigs (I just want 2m/70cm).  I have multiple cat6 cables available between the locations, and solid wifi with three access points, but these products all seem to get pricey.
>  
> Would be nice to use an ht as an exciter (dial it down to a watt or such, connect to a magic box that loads it, sends a low-level signal over a cat6 cable to a remote amp/antenna.  Likely not available or particularly feasible, but would be handy.
>  
> What about mobile rigs with separate faceplates (must have mic input on faceplate also)?  I have no experience with them, but the price is reasonable (even adding a dc power supply).  Of course they are designed for 10 or 15 feet separation in a vehicle, but can any of them run further?  Do any brands lend themselves to a hackable interface to drive a long cable?  If it is just mic/speaker analog or digital signals, and some digital control channel, that would be easy enough to wrap with a bit of circuitry at each end.  Don't even care about what the proprietary digital encoding is, as it would just need a cable driver that handles the rate/slew/levels.
>  
> Anyone have knowledge of any of the mobile rigs with remote faceplates?  Or any other options?
>  
> thx, gil
>  
> ps: posting on a couple of lists, in case you get a dupe.
>  
>  
>  
> gil smith, AF7EZ
> greenkeys moderator
> gil at baudot.net
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