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Followers
171
Account age
4 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
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🧰 Free analysis for Dantali0n :arch: :i3:
Known for
10 views
I've just tested the principle of #SSB processing using Controlled-Envelope Single-Sideband modulation (CESSB) in #GNURadio and it is beyond beautiful.
It uses a two stage process of clipping and peak stretching that combined can reduce the effects of over modulation typically introduced by #agc
Ev
6 views
Wrote the first article of this quarter, this time on using the #LimeSDR to transmit #HF signals.
It explains the important considerations such as aliasing, under runs and resampling.
https://dantalion.nl/2026/06/01/limesdr-hf-transmit-tx-a-guide.html
#ham #gnu #rf #hf
5 views
The silly GNURadio HF transceiver flowchart is done. It uses no custom blocks or embedded Python.
It is quite fragile but it really works. You can try it out yourself here:
https://gitlab.dantalion.nl/sdr/limesdr-hf-transceiver
Attached is an image of the GUI and the flowchart.
#gnuradio #hf #transc
2 views
Another super silly idea. This time #SSB speech processing.
What if we break down speech into several tones and harmonics using a polyphase channelizer (#PFB), subsequently select the maximum tone of each channel.
Then reconstruct the speech by only restransmitting the fundament of each channel?
Wou
📊 Post engagement
5
Avg engagement / post
2.9%
Engagement vs followers
Apr 2022
On Mastodon since
🔥 Top post: I've just tested the principle of #SSB processing using Controll · 10 likes + reposts
📊 Activity & format
Posting cadence
1.7 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 0 text · 12 image · 0 video.
Follower / following
3.5×
Follows 49 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
I've just tested the principle of #SSB processing using Controlled-Envelope Single-Sideband modulation (CESSB) in #GNURadio and it is beyond beautiful.
It uses a two stage process of clipping and peak stretching that combined can reduce the effects of over modulation typically i…
I'm shamelessly bad at mathematics, like notoriously bad.
It took me two days to write this simple loop to numpy...
The loop swaps elements based on a bit reversal pattern (not inverse, reverse, think flip left to right along center bits, …
The performance of native Python #gnuradio blocks can be significantly improved by adjusting `set_output_multiple` to a sufficiently high number.
Naturally, there is a relation between group delay and this multiple.
#sdr #JAX
#Steam discussions are so useless because they are just squatted by trolls running many accounts as single person.
This one really makes no attempt at hiding it whatsoever.
The silly GNURadio HF transceiver flowchart is done. It uses no custom blocks or embedded Python.
It is quite fragile but it really works. You can try it out yourself here:
https://gitlab.dantalion.nl/sdr/limesdr-hf-transceiver
Attached is…
Another super silly idea. This time #SSB speech processing.
What if we break down speech into several tones and harmonics using a polyphase channelizer (#PFB), subsequently select the maximum tone of each channel.
Then reconstruct the spee…
Wrote the first article of this quarter, this time on using the #LimeSDR to transmit #HF signals.
It explains the important considerations such as aliasing, under runs and resampling.
https://dantalion.nl/2026/06/01/limesdr-hf-transmit-tx-…
Last manual archived and scanned for today.
A Philips PM 5193 programmable synthesize / function generator user manual.
Up on https://museum.dantalion.nl/item/philips-pm-5193-programmable-synthesizer-function-generator-operating-manual
Als…
I have this incredibly silly idea to build my own transceiver around a TX/RX #SDR and the entire software stack runs in a @gnuradio flowchart.
Just for the fun of it, you know.
Here is my mock up #SSB transmit part.
Another manual scanned and archived, we bought a whole pile a few weeks ago so there is more to go!
https://museum.dantalion.nl/item/hp-pm5785-pm5786-pulse-generator-operators-manual-high-resolution
We should focus on increasing our sampling rate a bit.
This process is generally not expensive, but at these sampling rates, it won't run on a raspberry pi.
The image has them in order of increasing computationally complexity with the lowe…
The #limesdr has a minimal LO frequency of 30 MHz so you might be wondering how it receives HF at all.
Well it has 60msps max sampling rate per transceiver so it can demodulate the entire HF band with the LO at 30 MHz directly!
It also has…
🐘 Community & instance
Home server
fosstodon.org
A open-source software server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
On Mastodon since
Apr 2022
An established account with real history on the platform.
💡 Facts
🗓️Joined Mastodon in 2022 — 4 years ago.
👁️Averages 5 views per post.
📤Posts about 1.7× per week.
🕵️ Fake follower check
Estimated80/100
Excellent
Credibility score
97%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 97% real, active audience · Low fake-follower risk.
- Strong engagement (~2.9% of followers engage each post) — an active, real audience.
- Established account (4+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Hardcarry software engineer at https://astron.nl for the LOFAR 2.0 radio telescope. #ham #electronics #rf #OpenHab #mailcow #nextcloud #gitlab #sway #i3 #ASTRON
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