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Use the coupon code: RetevisRT90 to Save USD30 here: http://bit.ly/2ViqspN
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Radio Reviews, Questions and Comments. / The first DMR Mobile Amateur Radio Retevis RT90
« Last post by Cherry on February 28, 2019, 08:41:10 PM »
Retevis RT90, as the first mobile radio, comes with the handheld Mic speaker. Make it easier to talk with each others when driving.

[size=78%]What’s the features of Mobile radio RT90?[/size]

  • Dual mode ( Analog & Digital)
  • Dual band (VHF & UHF)
  • Dual watch
  • Dual time slot
  • High power 50w
  • Two VFO mode
  • GPS version( Optional)
More, please check here: http://blog.retevis.com/the-first-dmr-mobile-radio-rt90/
video:[/size][size=78%]https://www.youtube.com/watch?v=cLCLeKjTwdk&t=5s[/size]
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Military Radios / Re: Clansman Battery Refurbishing with LIPO.
« Last post by gil on February 28, 2019, 01:09:09 AM »
Thanks. I have not gotten back to finishing mine yet.. The only difference will be an external balanced charging DIN plug..

Gil.
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Military Radios / Re: Clansman Battery Refurbishing with LIPO.
« Last post by m14expert on February 25, 2019, 03:45:50 PM »
Gil

I too have 320 battery challenges.  The Turnigy 8150 is a great tool but I want to totally revamp to Li-Po power.  I am researching everything I can find on the Web so I am very interested in your post and what luck you had with your conversion.

Thanks

Bill Palmer
KJ7DFG

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Antennas / Re: Tent Pole antenna - could it work ?
« Last post by gil on January 28, 2019, 01:26:33 PM »
The thing is, if you put the tuner at the radio, you'll have high cable losses. With the UNUN you lower those. Not as good as a 50-ohm match but better. Try with the tuner at the wire, but I would use a UNUN...

Gil.
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Antennas / Re: Tent Pole antenna - could it work ?
« Last post by solaris0121 on January 27, 2019, 09:04:35 AM »
I was wondering if one of those Z Match type QRP tuners would work without the UNUN ?
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Antennas / Re: Tent Pole antenna - could it work ?
« Last post by gil on January 26, 2019, 03:53:42 AM »
Certainly. You would use a 9:1 UNUN to get the impedance down to where the tuner can handle it...

Gil.
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General Discussion / Re: Update and The Necessity to Educate People.
« Last post by gil on January 26, 2019, 03:52:12 AM »
So far so good  :) France is very frustrating though, the bureaucracy is overwhelming, not to mention taxes  ::) Pretty much everything is prohibited. You can't do anything that is remotely unsafe! That of course because if you injure yourself, the government has to give back some of that money it stole >:( The region here is amazing though!

Gil.
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General Discussion / Re: Update and The Necessity to Educate People.
« Last post by White Tiger on January 26, 2019, 01:48:25 AM »
Great post Gil - education is what got me to come here, and to get my license. I was in a thread on a preppier website. I ran into a ham radio guy that probed my fantasies a bit (buy and old tube set because it was inexpensive, operate it as a "pirate" station in case the S hit the ol proverbial F...

Just a few questions proved my ignorance, but the gentleman did it in such a even handed way, it didn't make me feel stupid, just that I had a really dumb idea. There is so much to know, especially for us NON-technology types (...mostly how easily noobs can be electrocuted because they didn't understand basics..or that the ANTENNA is more important than your radio...).

Great reminder Gil, thanks - and while we're educating - I'm going to try to remember that I always found the best teachers are those I accept education from is by someone who actually cares about what others want to do with the subject-at-hand (in this case radio)...and then figure out how to help them get there.

You can overcome any how, if you know why...

Pretty cool that you're in the south of France - from the looks of those videos from your YouTube channel - it looks as if you're enjoying the ride!
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Antennas / Tent Pole antenna - could it work ?
« Last post by solaris0121 on January 24, 2019, 03:53:40 AM »
I do a bit of wild / ultralight camping with a mate of mine and have been thinking about antenna solutions when up on the hills.  I got to wondering, if I had a small QRP CW rig in my bag, but no way of setting up an antenna, would the metal tent pole tune up for emergency use ?  Imagine you are caught in a snow storm on top of a mountain and have to get into your tent quickly......

My tent has a single folding aluminium lightweight pole, about 9 feet long, that arcs from one end to the other, im sure a Z Match type tuner would tune it up ok.... although it wont be particularly resonant so close to the ground and being so short.  But who knows ?  You only need one person to hear your distress call.

So if any of you are off camping, be sure to give it a try and report back.... im off in a few weeks hopefully to North Wales and will give it a little try.  Possibly worthwhile as an experiment.
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