[GreenKeys] OT: remote transceiver

[Bob kb8tq]

Hi

What gets you pretty quick is the mic connection.The “separation kit” radios
still route the mic directly to the main chassis ( at least the ones I own do). 
Trying to run a low level audio signal 100+ feet …. not so simple. 

Bob

> On Jun 30, 2020, at 4:13 PM, Gil Smith <gil at baudot.net> wrote:
> 
> 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
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