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WA2ZKD
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- WA2ZKD
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Comments
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does your GPS puck have an omni view of the sky and if not, which direction does it favor.
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https://www.w0qe.com/Projects/rf_clipper_2016.html
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somone used my WA2ZKD call.... so that might mislead an admin thinking "oh it's Jim"..... nothing is safe
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https://www.hasco-inc.com/tools/sma-3-5mm-2-92mm-2-4mm-1-85mm-connector-finger-thumb-wrench-blue/?gad_source=1&gclid=Cj0KCQjwlN6wBhCcARIsAKZvD5hXAJx8WCF3kf3eDiBYdL87IIY0besx3Tmluc7X5sO9LBwju3CeJjIaAp_lEALw_wcB
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people are using other's callsigns to ID themselves on login.
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try the Meanwell MDR-60-5
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if you're just measuring loss, that with be in dB and regardless of dBm from source, dB is the same relative loss.
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Shouldn't really need to know level of VNA... normalize the P1 to P2 to 0dB as you normally would P1 to Ant1, P2 to Ant2 read dB loss apply that loss to your TX power to find reduced level at other antenna
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find and use a 3-4A PSU...
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1 amp is inadequate and a 2A PSU may slump...
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75 Ohm good for all HF RX
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Thank You!
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will try, thanks
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the 2 14ch (wspr) systems got hosed during the 1.660 thing and I had to build them from an image. They both are Debian 9.12 BeagleBoard.org Debian Stretch IoT Image 2020-06-01 Linux kiwisdr 4.14.108-ti-r135 #1stretch SMP PREEMPT Fri May 15 18:38:28 …
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My 4 AI have plenty of cooling, even 12+ ch of wspr they run 32C and I see they want to run at 400 MHz recently. Update: it only happens on my 2 14ch ones, my 3 and 4 ch are OK at 1000 MHz
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that MMWS is a simple choke.... they can be done with clamp on ferrites thus no interruption in coax https://d2j6dbq0eux0bg.cloudfront.net/images/10325621/3193439254.jpg
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a longwire + 9:1 balun would work too... could be all DIY or: https://winradio.com/home/lwa.htm
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@SM6MUY regardless of antenna/kiwi, I note that you are in a location with the dip in your northern footprint. I wonder where your antenna is relative to things that might block your GPS antenna's southern view?
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My data is only as good as the official sources provide and effects of the internet... but here's something I put together.. I'm more concerned about the proton event which can last days.. "http://www.jimlill.com:8088/muf/ezsun.html"
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what cooling you'd need for a BBG you'll need for the AI
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both OK on restart
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It was running 1.657. I found that the 8073 box was dead and went and cycled power, it came back up and sytarting updating to 1.659 which then had the fix issue. 8075 run running 1.657 OK so I forced it to try 1.659 and it then had the fix issue.…
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they both eventually locked
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no
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after 23 minutes 8073 finally got a fix. 8075, not yet
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I wonder if SuperSDR may be of use https://github.com/mcogoni/supersdr
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you might look into the use of kiwi_nc.py which is a netcat style thing
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Christoph had told me that the GRC stuff for kiwi needs updating....
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Do you access your own kiwisdr?
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https://youtu.be/wgyTzbFmpAI