cathalferris
Now also known as EI4IWB, passed the IRTS/Comreg HAREC exam, and now fully licensed as a Radio Amateur.
About
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- cathalferris
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Comments
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Confirmed same IP for me. I kicked, and added the /24 it's in to the local blocklist.
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(edit:- false alarm. See end.) I'm in the process of updating my pair of genuine KiwiSDRs from Jessie to Buster, following rz3dvp's method. As a Linux admin, I wanted to try the upgrade in place before I do the SD-card method. I know I can always nu…
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Thank you John for the continued work on this - great to see the "ToDo" changed on this tab! Much appreciated.
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I do think that the use of the Kiwi cape on a Pi is a great (if unofficially unsupported) way to get the 14 channels with less thermal issues and more actual processing power - and at a significantly lower price. I do own a BBAI and it's currently u…
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The Ireland ISP is HEANet who had the interesting note of being the only Irish ISP that was not forced to filter the Piratebay when that court order came through, as it's an academic supplier and not a home supplier. One SSH port forward later from …
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You would be better off keeping IP addresses of alternate DNS servers than keeping a local offline copy of DNS. The likelihood of global DNS failing will be more remote than large swathes of IP inaccessibility. Ones I have memorised: 217.159.0.17 - …
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You may be able to get the result you are looking for by actually recording from two concurrent browser windows. Would that help you in what you are trying to achieve? I've personally got not enough experience with python under Windows to be able t…
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Nice. I reverted the BBAI as I couldn't easily and safely run cooling for it on the desk - and still use the desk :) Next place of living I might have another go at the upgrade. I still have the BBAI handy, and I have better standoffs to gain space …
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Take a look at the wsprdaemon project for how they've set things up to save the wav file from each listener channel onto another device, if you need to get multiple streams of audio to elsewhere, (watch the space requirement though, it adds up prett…
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Do you have SSH access to the BBB under the Kiwi? If you do then you can ssh in and "less /var/log/messages" as root and see what's going on. You can also use the admin console ; console tab to get the same, but its lots harder to read lon…
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I had an MLA-30. Dump the 5-12V step up, and get a real bias-t injector from somewhere else and run it from 9-12V. The amount of RFI that the step-up converter caused was crazy. Don't forget to play with the gain control in the "antenna box&quo…
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I think I can hear powerline ethernet of some type between the peaks . The sound of the interference (sound of the peaks) is familiar to me but I cannot place it. I'm suspecting a communications signal that has escaped from something but I'm not co…
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Could be an intermittent DNS error in resolving github.com. Can you log in via SSH as root to the Kiwi, navigate to /root/Beagle_SDR_GPS and execute a "git pull"? If that's successful - as in downloads stuff, then in the same directory ex…
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A quick and dirty "fix" would be to run a regular cronjob to execute a script; the script checking to see if wlan0 is present, and if not present / valid then reconnect wlan0. Create a file called check_start_wlan.sh in root's directory (…
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IF you've forgotten the ssh root password, make sure to back up the config from within the admin interface. If you're on the same local network as your Kiwi, and you can in fact get on the Kiwi admin interface, go to the Kiwi admin interface, click…
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Good catch, and great that the neighbour was willing to interact. That's a win I think.
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Can you clarify your use case?
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For me Pulseaudio has always been a right pain for me in the past - completely unsurprising when one finds out who originally authored it (Poettering - the same idiot that "manages" the SystemD dogpile). It may have improved over the years…
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I am currently using the docker image of DigiSkimmer, on the same pi that's under my recently-delivered RaspberrySDR, working fairly well (111 DXC and 9000 decodes on 20-80 FT8 in 24hr). The SDR is running the 4.08 Flying_Dog branch of code. It's a …
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After using the new colourmap enhancements, it is really really helping to get consistent nice waterfalls when changing frequency location. Seriously, many thanks indeed for that, I hadn't realised how much easier it made things for me when using t…
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It's non-concentric as a result of perspective, as the satellites visible at the highest points between the pole and the northern horizon are significantly farther away than the satellites between the pole and overhead.
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What direction is the wall facing, that the GPS antenna is mounted on? More accurately, what compass bearing is the flat top of the GPS antenna pointed towards? Are there other buildings in the vicinity? Where I have my antenna, I can see a shadow…
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Note that the zoomed-out waterfall sacrifices the detail to get the bandwidth. There's only so many "bins" that the FFT output fills, and changing zoom level will mean the bins get more fine and more coarse depending on the zoom direction …
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Very nice, thank you John for this.
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Uninstall and purge the systemd-resolved package that is the one doing the overriding. Another example of a half-assed attempt by the systemd people to embrace and extinguish. (your mileage may vary, but that's what I did on mine at least. That pac…
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I ended up using connmanctl to set the configuration of the interfaces, as I was trying to get wireless working on the Beaglebone Black. I now have the pair of Kiwis almost identical in setup. Amusingly one of the Kiwis decided that the wireless c…
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Loop-on-ground, on poorly conductive ground, is effectively a low to moderate altitude horizontal loop.. It is weird at times to think that the radio altitude of an antenna may be a few tens or hundreds of meters higher than the actual ground level…
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@Owdjim - don't forget that with the likes of VAC https://www.vb-audio.com/Cable/ the output from the browser can be directly pushed to Dream, and the information can be live.
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What antennas are you using and what are the relative orientations? It's not a specifically easy question to answer, as there are a few factors in play. If the RX antenna is a small loop, with the null average pointed at your dipole antenna, then …
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(you should blank out your passwords..)