UKC Forums - Garmin Booster or AMP

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-- Garmin Booster or AMP (http://forums.ukcdogs.com/showthread.php?threadid=410174)

Posted by intellectualist on 03-07-2011 11:09 PM:

Re: Re: Re: Re: Garmin Booster or AMP

quote:
Originally posted by Okie Dawg
What they don't tell you is that it shortens the life of your Garmin a great deal. It will slowly burn it up. Keying up a mic on a two way radio will do it to if done a lot.

By what first hand knowledge do you know this? Yes, transmitting on a marine radio in close proximity to a garmin can overload the front end and damage it but by what experience are you claiming the preamp in and of itself will damage the garmin?
I would not use one myself but there is no evidence to support that a preamp will damage the garmin. [/B][/QUOTE]

I don't know much about radios and such. I was reading what a tech said on another forum that did know a lot about them. He was saying his was allready getting weak and was going to quit useing his and was asking Garmin to try and do something about makeing the new ones hold up better useing them on the new models. Garmin didn't deny the problem so I took it he knew what he was talking about. [/B][/QUOTE]

I see you got to my post before I deleted it! I read it again and felt it could be worded differently so I deleted it and was going to reword it. You must have been on the thread when I posted it because it was not up for over a few minutes. I apologize if it seemed confrontational because that was not my intent.
I have never seen a receiver get worse and worse over time because of front end overload. You typically blow out the portion of the receiver front end where the signal is first injected in the circuit when a radio is keyed up, or you may blow it later when a radio is keyed up if the front end is robust. Possibly, you may never damage it at all.
The reason Garmin did not deny it is because he probably talked to someone at the front desk who knows nothing about rf and merely answers the phone!
I guess I will not say it can't happen, but I have never seen it happen by merely using a preamp and I have been around this stuff for over 20 years. Someone may use a marine radio near their garmin and never have a problem and then put the preamp in line and then damage their garmin but I do not believe that would be the preamps fault. That person was living on the edge by using the marine radio near the garmin in the first place!
That guy on the other forum, was he using a radio in his truck or did he say?
I will inquire with some other minds on this issue and see what they say.

Posted by intellectualist on 03-08-2011 06:27 PM:

I am getting mixed opinions Grady on whether these units could be damaged slowly, over time, with exposure to near frequency transmitters, but most all agree that a preamp would not cause harm unless it went into self oscillation which would be rare.
I guess we have to agree that the best thing to do would be stay away from these preamps as we both have stated in the past. The garmin's receiver is completely adequate without the preamp in my opinion.

Posted by peachcreek on 02-02-2012 12:42 AM:

I just got my gre amp in today and tried it and I am getting the exact same range with or with out the amp. 1.38 miles.... any ideas? this is with a garmin long range antenna on a 220 and a dc 30 collar. it is like the amp is doing nothing at all. any advise?

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Posted by Bob Hennessey on 02-02-2012 01:02 AM:

Yeah, do the same thing I did. Throw it in a box and chalk it up to experience. LOL! I been trying to think of something I could use mine for. Was thinking of trying to put it on my UHF radio and reach farther. Anyone know if it would help signal strength.

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Posted by peachcreek on 02-02-2012 01:54 AM:

quote:
Originally posted by The Seeker
Yeah, do the same thing I did. Throw it in a box and chalk it up to experience. LOL! I been trying to think of something I could use mine for. Was thinking of trying to put it on my UHF radio and reach farther. Anyone know if it would help signal strength.

that doesnt sound good... so yours didnt work? I have read on this forum that a few people where having a big range increase. I wonder what gives? Thanks

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Posted by Cry Tough Blues on 02-02-2012 01:10 PM:

[QUOTE]Originally posted by peachcreek
that doesnt sound good... so yours didnt work? I have read on this forum that a few people where having a big range increase. I wonder what gives? Thanks [/QUOTE

well chalk it up to lesson learned by taking much advice from this forum. most people on here are trying to keep up with the best lights, the best froglegs, the best garmin aftermarket accessory and have no time for actual hunting let alone realizing what a hound is.

Posted by garminguru on 04-05-2013 03:45 AM:

I tried to tell you to get a yagi if you wanted better range!

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