1 Battery QRP with QCX Mini - will it work?

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QRP Labs QCX Mini with 1 small battery - how many contacts can I make? QRP Amateur Radio and more -
follow along with me as I Rediscover Radio !
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1 Battery QRP
I decided to try the 1 Battery Scientific Game from
Radio Club 72 - a challenge to see how many contacts you can
make on a QRP radio using just 1 9v Battery - and it was
surprisingly successful!
In this video I show how I set up the experiment and the
results that followed.
I'll be making more videos about my radio and electronics projects:
- subscribe to our channel to follow along.
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Links mentioned in the video:
QRP Labs:
www.qrp-labs.com/
Bamatech TPIII Ultra Compact Twin Paddle:
www.bamatech.net/morsetasten/...
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Q26 Videos by Mortimer Rhind-Tutt

Пікірлер: 37

  • @TheCrunchbird
    @TheCrunchbirdАй бұрын

    Excellent video. I have the older QCX+ and I love it.I have worked all over Europe from here in Florida USA on 40 meters. Antenna is a half wave end fed cut for 80 meters and strung to the top of a pine tree in a V configuration. All the very best, N2SN.

  • @RonanCantwell
    @RonanCantwell Жыл бұрын

    The QCX mini never fails to impress. I've never tried it on a pp3 battery. Great idea 👍

  • @jackkelley890
    @jackkelley8906 ай бұрын

    brilliant video! Every year when you change your smoke alarm batteries you could have a blast seeing how many contacts you could squeak out of the old batteries. A very heart felt thank you for sharing as always.

  • @acestudioscouk-Ace-G0ACE
    @acestudioscouk-Ace-G0ACEАй бұрын

    A great video as always. I'm amazed at how much can be achieved by so little.

  • @youtubeaccount7544
    @youtubeaccount7544 Жыл бұрын

    Astounding, truly a good proper efficient antenna with a 100w rig is more than enough to work the world.

  • @bill-2018
    @bill-20189 ай бұрын

    Great stuff. I love watching about QRP proving that not a lot of power is needed to get out. G4GHB.

  • @techguy9023
    @techguy9023 Жыл бұрын

    I remember reading about someone at Arrl years ago modified a HW 8 to put out 10 milliwatts and got Worked all States. My best was a Tuna Tin transmitter running a pair of 2N3904s on 40 meters. St. Kitts.

  • @georgeetherege8347
    @georgeetherege8347 Жыл бұрын

    Excellent "probe" into just how far one can carry a fit of QRP mania. Seriously, a big part of the success was the care that went into making the end-fed antenna and deploying it. An old hand at this gave some great advice recently: use a RESONANT antenna, well-matched to the transmitter. Any inefficiency in the whole system will significantly affect results at this power level. Great video.

  • @Q26Video

    @Q26Video

    Жыл бұрын

    Thanks George - I agree, and all my antennas so far with getting back to radio have been resonant wires that I have made for one or two bands. Glad you liked the video and thanks for your feedback. 73 from Mort/G4BSK

  • @quantumradio
    @quantumradio Жыл бұрын

    Thank you for a very instructive video on the QCX Mini. I may be buying one in the next month for 20m and your comments were appreciated. 73.

  • @Q26Video

    @Q26Video

    Жыл бұрын

    Glad it was helpful!

  • @ai5dd
    @ai5dd6 ай бұрын

    That’s awesome, you are inspiring me.

  • @Andre-PY4DR
    @Andre-PY4DR Жыл бұрын

    Very cool idea... 73 de Brazil 🤘🏽

  • @randalltom9750
    @randalltom9750 Жыл бұрын

    I love the QCX Mini…. I wish they would extend the case to accommodate 3x 18650 cells, and a BMS. That would be amazing…

  • @Q26Video

    @Q26Video

    Жыл бұрын

    I've just tried this Tom with a 3D printed cover - works well and I hope to show it in a video soon. Thanks for your feedback, glad you enjoyed the video - 73 Mort/G4BSK

  • @cw.only.channel
    @cw.only.channel4 ай бұрын

    I love qrp 73

  • @royramdeen8864
    @royramdeen8864 Жыл бұрын

    Really cool. What QRP was meant to be..

  • @rst5nn
    @rst5nn Жыл бұрын

    Interesting game, hope to meet you next year =)

  • @Q26Video

    @Q26Video

    Жыл бұрын

    Next time I will make a trx specially for the game 😁

  • @QRPCW
    @QRPCW4 ай бұрын

    Realmente emocionante 👏🏻 72

  • @Q26Video

    @Q26Video

    4 ай бұрын

    I watch all your videos - awesome! 72

  • @BastHoen
    @BastHoen5 ай бұрын

    Nice video, thanks for sharing! 73 PA5BAS

  • @jamescrofutt8767
    @jamescrofutt8767 Жыл бұрын

    Alkaline batteries have very high internal resistance and normally limit power out to about 1 watt or so, LNR Mountain Topper users have known this now for some time but using a rechargeable type of battery such as some of the hobby RC airplane/car types or the very popular Bionano battery 9-volt pack will give you more power out. I am pretty sure you were averaging about 1 watt based on my own experience using an alkaline 9-volt TV remote battery, I have used them many times in the past and lots of fun to see how long you can last. Great video and great fun to test the limits, keep up the great videos. 73 J

  • @Q26Video

    @Q26Video

    Жыл бұрын

    Glad you like the videos - thanks for your feedback and info - 73 Mort G4BSK

  • @PreparednessVeteran
    @PreparednessVeteran Жыл бұрын

    Just the rig I'm looking for, but not sure if I'm allowed to use it at Foundation Level?

  • @hamradiofun5527

    @hamradiofun5527

    Жыл бұрын

    I think you would be okay, definitely check with your local club

  • @Q26Video

    @Q26Video

    Жыл бұрын

    I had a look at the license terms - and at first glance it seems like the FT817 would be ideal. It's so versatile, you can cover just about any mode or band. They go for around £300 to £400 pounds SH and represent a very cost effective way into amateur radio. I hope it all goes well for you, 73 from Mort / G4BSK

  • @PreparednessVeteran

    @PreparednessVeteran

    Жыл бұрын

    @@Q26Video That's valuable info to me many thanks (M7PVX)

  • @M0OPI
    @M0OPI Жыл бұрын

    Is your antenna wire connected to both black and red posts on the transformer? Couldn't see in the photo

  • @Q26Video

    @Q26Video

    Жыл бұрын

    Hi Jake - just the red one - I put two connections on the antenna to give the option to connect a radial or ground but it hasn't been necessary. With these very small, low power end fed half wave antennas I haven't found that necessary so far. There are very good videos about making this type of antenna and the traps by K6ARK (a great channel) - instead of trying to make them super small and light like he does, I have opted for a winding bracket and insulators to help me take them out in the field, all 3d printed. Best wishes, Mort / G4BSK

  • @n4jaw
    @n4jaw Жыл бұрын

    I did a similar test in August of this year with my 40 meter QCX mini. The plan? Work 1 hr. at 9v/200mAh with 2 watts #parksontheair #pota activation. Results? 23 #QSOs 11 states in 50 minutes on 40m. Still had 8.10 Volts left after 50 minutes. From Kentucky in the U.S. had contacts from WI, VA, NJ, D.C., NC, FL, just to name a few. Only stopped because I had to leave.

  • @Q26Video

    @Q26Video

    Жыл бұрын

    That's great Jim - it's always encouraging to hear more QRP success stories !

  • @polarbear5464
    @polarbear54642 ай бұрын

    Does it have SWR meter?

  • @Q26Video

    @Q26Video

    2 ай бұрын

    You can find out all about the QCX Mini here : www.qrp-labs.com/

  • @mikemiles3068
    @mikemiles3068 Жыл бұрын

    👍❗️73. KV5P

  • @brianfields4479
    @brianfields4479 Жыл бұрын

    excellent video and lots of information about a radio i have just sent for, after watching this video. cheers : brian zl3xdj.

  • @Q26Video

    @Q26Video

    Жыл бұрын

    Thanks Brian, I'm sure you will love your radio - good dx and 73 from Mort G4BSK

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