Re: U4B tracking on map
#u4b
Same for me, but I haven't launched. Vertical_1 is in my living room. If you can capture both the call sign report and the tracker report, you can decode using the spreadsheet here:
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Alan Kilian <alankilian@...>
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#85774
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U4B tracking on map
#u4b
I launched a U4B. Is there a problem with the tracking map? I am getting reports but it is not showing on tracking map. Did I do something wrong? Thanks Ted KG5TED
By
TED LYON
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#85773
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Re: Antenna System Multi-band
This can be homebrew at a fraction of these prices. Instructions-a-plenty online. Michael
By
Michael.2E0IHW <blumu@...>
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#85772
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Re: Antenna System Multi-band
This the open wire dipole that I had in mind. https://www.trueladderline.com/80-10-meter-w7fg-true-ladder-line-open-wire-fed-dipole-125-dipole-50-feedline/
By
Linus
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#85771
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Re: Antenna System Multi-band
You might check online for advice about multi-band, ladder-line DOUBLETS. Here¡¯s a detailed look at them. http://webclass.org/k5ijb/antennas/All-Band-Doublet.htm ¡ªMike Perry, WA4MP
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Mike Perry, WA4MP
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#85770
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Re: Balloon antenna work in progress.
#Balloon
#antennas
#u4b
My first attempt at a QFH was 1.9g without making any effort to be light. I made a few jigs to help get the shape correct but in the end the dipole worked better than my attempt. I was hoping the
By
Colin Kaminski
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#85769
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Re: QDX V3 arrival and build
John My order is # 57301 So, I'm a bit behind you. Much encouraged it's probably not lost! Don
By
Don DeGregori
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#85768
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Re: Balloon question
I¡¯ve seen requirements for NOTAM for rocketry above simple hobbyist altitudes like 500 feet or so, but nothing for balloons. A little cardboard and balsa hobby rocket can mess up a light general
By
Jim Strohm
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#85767
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Re: Sources for hydrogen/helium in small quantities?
#u4b
A good source of hydrogen in small bottles is a welding supply/gas shop.? If they don't have, they can get. -- Jim, W7EZN? ? 73!
By
Jim - W7EZN
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#85766
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Balloon tracker site showing unusual data for me.
#u4b
I just hung my new U4B and antenna-system up in my living room (Wife is away and it's POURING rain outside right now.) I'm seeing people report my WSPR transmissions: But the balloon tracker for
By
Alan Kilian <alankilian@...>
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#85765
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Re: Remote "bottom of the garden" QDX...
Peter. Your video is amazing. Thank you for sharing.
By
Linus
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#85764
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Re: Sources for hydrogen/helium in small quantities?
#u4b
Yeah - you generate oxygen as well as hydrogen. Hydrogen develops at the anode and oxygen is found at the cathode. Lee KX4TT
By
Lee
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#85763
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Balloon question
Is there not an issue launching a balloon and interfering with aircraft flight paths? I am a retired aircraft mechanic and have seen what foreign object damage can be done to an engine. I am curious
By
Glenn Maclean
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#85762
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Remote "bottom of the garden" QDX...
Some of you may remember I had a dream last year (more a revelation actually) when lying abed about the QDX.? I realised that it had no physical controls and operated purely under software control
By
G3SPL
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#85761
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Re: Sources for hydrogen/helium in small quantities?
#u4b
Yes, I am aware of the Hindenburg and have no desire to re-enact it in miniature. Regarding electrolysis, would the (necessary) addition of an electrolytic affect the composition/dilution of the gases
By
John AE5X
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#85760
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Re: Sources for hydrogen/helium in small quantities?
#u4b
https://www.youtube.com/watch?v=d85OX6yEwE0
By
Linus
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#85759
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Antenna System Multi-band
Hi there. I am considering different antenna types in anticipation of setting up a QDX?Transceiver. Right now, I use a segmented dipole ( https://sweers.ch/segmented-dipole-antenna.html ) that is
By
Linus
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#85758
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Re: BS170 Sources
That's good to know.
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Joshua KJ7LVZ
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#85757
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Re: QDX and eliminating the laptop
Life in that ASUS EEE PC afterall. Glad it worked for you. Those things are built like tanks. 73 de Andy
By
- Andy -
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#85756
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Re: QDX V3 arrival and build
My oder # is 57185 the way I take it is ,what I use to say to my kid when they ask when do we get there I always said "when we get there " I am sure the QRP LAB team are on over load trying to get the
By
John Kiernan
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#85755
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