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mzerod

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mzerod
·3 jaar geleden·discuss
I have a QPSK & BPSK packet radio link to several other stations via the QO-100 satellite narrowband transponder, using a couple of Pluto SDRs and in some cases a mix/match of RTL SDR dongles and 70cm radios with transverters.

Only a small group (4 so far) doing it, but we can be heard on the WEBSDR hosted at Goonhilly Earth station[1]

Due to small dish sizes on RX (10GHz) we are keeping it simple and open at 1200 BPSK and QPSK 2400 with IL2P[2][3] for FEC+RS robustness, and not even close to the 2.7Khz max permitted bandwidth.

[1] https://eshail.batc.org.uk/nb/ - 10489630 USB

[2] https://tarpn.net/t/il2p/il2p.html

[3] https://eindhoven.space/il2p
mzerod
·3 jaar geleden·discuss
Jester - Stardust Otamatonies https://youtu.be/dfFVxWEwhI0?si=r-ZtYmgF1ADp0k8e
mzerod
·3 jaar geleden·discuss
Aww yiss. Nederkunst.

Thats amazing and also kinda wtf because drunken parties are the norm, so cultural alcoholism is a bonus.
mzerod
·3 jaar geleden·discuss
The Modarchive[0] is still around, too. The reviewer’s (shared) password used to be since1996

[0]http://modarchive.org
mzerod
·3 jaar geleden·discuss
(This message has been read 1 times so far in this BBS).

Path: !CX2SA!N6RME!KE6JJJ!KQ6UP!AA6HF!N2NOV!W4BFB!N0NJY!WA3WLH!W9GM!WA2UET! !K5DAT!W0ARP!KF5JRV!

We’re still using their cousins on amateur radio lol
mzerod
·3 jaar geleden·discuss
I’ve felt this way for a considerable time too. In retrospect, it has now been ten years and yet still nothing has really changed, which I am kinda glad.
mzerod
·3 jaar geleden·discuss
A friend of mine is building a Raspberry Pi ISA board so I’ll have to ping him on how it’s going.
mzerod
·3 jaar geleden·discuss
I had one of these type of jackets and quickly found that they set off IR-controlled hand wash taps in the toilet facilities at a certain airport.

10/10, would recommend for very clean hands.
mzerod
·3 jaar geleden·discuss
Stunning stuff. The dark sunspot in the foreground and the one behind the tangle of plasma is intruiging.
mzerod
·3 jaar geleden·discuss
Keeping an eye on this http://websdr.ewi.utwente.nl:8901/fullday/ for the effects on the HF radio band, it might be quite interesting.
mzerod
·3 jaar geleden·discuss
I’ve created a portal in bash to allow HF access to emergency web content, here’s a demo of it going 900km loading HN.

https://youtu.be/5CN1nD_xciU
mzerod
·3 jaar geleden·discuss
This is mild pedantry from me, sorry.

Fortunately, the 10m band these days has a reach of up to 11000km due to the solar activity. You are quite right that during LOS conditions it’s limited to the elevation of the antenna.

Its relatively small antenna needed (5m dipole) and can be used to access some distances, just not ones that might be in the same country as origin because of the skip dead zone from the ionospheric refraction angle. Which depending how it might be used, could be useful.

The general rule of thumb is to check the MUF Rating at the time of day collected from ionosondes such as that on https://prop.kc2g.com/
mzerod
·3 jaar geleden·discuss
Digital Data Comms if needed:

Dial frequency 14.1023 USB

- at 1000Hz and 2000Hz for AFSK.300 (two channels for multiple access) - at 1500Hz for VARA or ARDOP OFDM

EMCOM Services available: Winlink RMS gateways, APRS HF Relays.

Manned Stations prepared on this frequency

IW2OHX - Italy Winlink EI2GYB-5 - Ireland - Winlink PE1RRR-8 - Netherlands - Winlink

It’s not much but it’s a network nexus with an insane number of backbone links for redundancy.

Software and setup tutorial:

https://eindhoven.space/radio-experiments/packet-radio/qtter...
mzerod
·3 jaar geleden·discuss
My time to shine- this is for anyone concerned about ham operation in Ukraine

https://eindhoven.space/2022/10/08/ham-radio-usage-in-ukrain...
mzerod
·3 jaar geleden·discuss
>The programmer friends' idea, unfortunately, was beaten by modarchive.org many years ago.

Sorry about that :-) Glad the API has come I handy though, your thing looks very nice, but “mobile bad desktop good”? Get with the times ;)
mzerod
·4 jaar geleden·discuss
This is mine:

https://github.com/pe1rrr/packet-scriptlets/tree/main/games
mzerod
·4 jaar geleden·discuss
Mod4Win followed shortly, dazzling us with native audio output on our 3.1 windows boxes
mzerod
·4 jaar geleden·discuss
The chip scene has indeed grown in scale since the 2000s began, I shared a few beers with the guy who did the Commodordion and he’s one of many reaching youth with what I think many have come to consider modern folk.

Battle of the Bits is a unique and wonderful community plugged to the core by chiptune. I do recall their logo nicely visible on the reddit r/place thing recently which says a lot about the number of participants chipping away!
mzerod
·4 jaar geleden·discuss
Give a few days until the tsunami of hackerhearts abates and give signing up/in a shot and upload them.

The folks are always open looking for new crew too to help in the upkeep such as screening the upload queue etc. Drop a line to Saga_Musix, open to pretty much anyone. There’s a huge backlog still. Who doesn’t love listening to up and coming modscene stars. Especially their very first ones! ლ(ಠ_ಠლ)
mzerod
·4 jaar geleden·discuss
This is essentially how I put together this gem: https://eindhoven.space/demoscene-stuff/joke-music/stardust-...

Achieved by deleting the lead instrument from the module and playing it with my own orchestra of otamatones.