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@lambdaprog

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Engineer. Trading Tech, RegTech, DSP systems, and RF/SDR. Built Solvers, Signal chains, and Enterprise Architectures. Mostly known for #SDRSharp & #Airspy.

FR/US/MA
Joined September 2016
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@lambdaprog
prog
13 days
Speaking of ChatGPT 5 prowess in mathematics. It could implement proper C++ code from formulas for the #Airspy Co-Channel Canceller. It couldn't explain why it works, tho. Here's an example of the work in progress for recovering overlapping MW signals.
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@lambdaprog
prog
3 days
RT @ea3ibc: airspy_adsb test with an AirSpy R2 receiver, self-built colinear antenna and feeding data to @flightaware and local VirtualRad….
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@lambdaprog
prog
4 days
RT @RA4SD: Received Airspy HF+ Discovery from local flea market for my SDR collection. The gold standard for DXing!
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@lambdaprog
prog
4 days
RT @2m0sql: I'm looking for couple beta testers, this runs in the web browser, no real requirements apart from large monitor/tv and a web b….
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@lambdaprog
prog
8 days
RT @SV2HWM: 2025-08-27 07:20 UTC. New image received from the 🇷🇺 🛰️ ArcticSat-1 (RS74S) on 435.890 MHz, in Robot36 #SSTV mode. Rx with @air….
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@lambdaprog
prog
10 days
RT @BenSKlerk1: #MeteorMN2_3 morning composite 26 Aug.#Satdump, #QFH, #Nooelec Noaa, #RTLSDR.#ElektroL4 (0:42UTC) 10:42am.Satdump, #Discove….
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@lambdaprog
prog
10 days
RT @gmrpetricca: Afternoon high-elevation pass (87°) giving quite the view over the UK & Ireland + our side of Europe. The overall circula….
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@lambdaprog
prog
10 days
RT @RA4SD: My LZ1AQ active loop antenna ready to the new season. Full check done today.
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@lambdaprog
prog
10 days
RT @ea3ibc: Testing that the ADS-B antenna is still working after 8 years. 64-bit AirSpy_ADSB on a Raspberry Pi 4. Homemade collinear ante….
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@lambdaprog
prog
11 days
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@lambdaprog
prog
11 days
RT @BenSKlerk1: #ElektroL4 (21:42UTC) 7:42am 25 Aug AEST.#Satdump, #DiscoveryDish, #Airspy mini.Elektro only transmitted 1 image this morni….
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@lambdaprog
prog
12 days
RT @SV2HWM: The problem of the overlapping tx times was solved by @sdrsharp with 3 MHz bw and 6 spectrum slices, 48 kHz bw each, with sche….
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@lambdaprog
prog
12 days
RT @AOR_AORJA: #ハムフェア2025 会場では #Airspy 製品のデモ&販売も行っておりますが、会場の有明GYMEXが電波を通しにくい構造になっていてFM放送くらいしか受信できないのが残念。
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@lambdaprog
prog
13 days
RT @edfrenkel: This is an unwise statement that can only make people confused about what LLMs can or cannot do. Let me tell you something:….
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@lambdaprog
prog
13 days
RT @CadiereGerald: @SWRadiogram 414 08/22/2025.Saturday|0230-0300 UTC|9265 kHz.WINB Pennsylvania.Received in Woodland, WA.@airspy_com HF+ D….
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@lambdaprog
prog
13 days
Splatter? What splatter?
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@lambdaprog
prog
13 days
Magic!
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@lambdaprog
prog
13 days
A few iterations later: The phase noise of the recovered carrier + side bands is clean enough to be usable for magnitude demod. This wasn't possible before. The next #MWDX season will be fantastic!
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@lambdaprog
prog
13 days
The lower side band was selected as worst case scenario for the demo.
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@lambdaprog
prog
13 days
RT @CadiereGerald: Some Early morning 08/22/2025 #JMH #Wefax / #RadioFax 13986.6 KHZ.@Airspy_com #HF+_Discovery #SDRsharp1922  #Fldigi .180….
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