Merkouris SV2HWM (@sv2hwm) 's Twitter Profile
Merkouris SV2HWM

@sv2hwm

ID: 730321670729240576

calendar_today11-05-2016 09:00:29

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Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-21 07:00 UTC – Photo received from the 🇷🇺 🛰️ RTU MIREA1 (RS51S) on 436.203 MHz, in GMSK 9600 bd. Sadly, the satellite transmits only over the Russian territory and the tx frequency is drifting. Rx with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷.

2025-06-21 07:00 UTC – Photo received from the 🇷🇺 🛰️ RTU MIREA1 (RS51S) on 436.203 MHz, in GMSK 9600 bd. Sadly, the satellite transmits only over the Russian territory and the tx frequency is drifting. Rx with <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷.
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-21 07:02 UTC – Partially received photo from the 🇷🇺 🛰️ RTU MIREA1 (RS51S) on 436.203 MHz, in GMSK 9600 bd. Unfortunately, I was unable to recover at least the first not decoded packet from the IQ recording. Rx with Airspy R2/Mini Mini and turnstile antenna + LNA/BPF in 🇬🇷.

2025-06-21 07:02 UTC – Partially received photo from the 🇷🇺 🛰️ RTU MIREA1 (RS51S) on 436.203 MHz, in GMSK 9600 bd. Unfortunately, I was unable to recover at least the first not decoded packet from the IQ recording. Rx with <a href="/airspy_com/">Airspy R2/Mini</a> Mini and turnstile antenna + LNA/BPF in 🇬🇷.
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

Landing prediction of the EMY radiosonde that will be released on June 22 from Thessaloniki Makedonia airport (LGTS), 🇬🇷. Only a few meters away from the release site! 😲 I fiddled a bit with the burst altitude (added 400 m), but who knows exactly? 😆 Theodoros Kolydas

Landing prediction of the <a href="/EMY_HNMS/">EMY</a> radiosonde that will be released on June 22 from Thessaloniki Makedonia airport (LGTS), 🇬🇷. Only a few meters away from the release site! 😲
I fiddled a bit with the burst altitude (added 400 m), but who knows exactly? 😆 <a href="/KolydasT/">Theodoros Kolydas</a>
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-21 19:58 UTC – Photo received from the 🇷🇺 🛰️ RTU MIREA1 (RS51S) on 436.1985 MHz, in GMSK 9600 bd. Rx with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷. Егор

2025-06-21 19:58 UTC – Photo received from the 🇷🇺 🛰️ RTU MIREA1 (RS51S) on 436.1985 MHz, in GMSK 9600 bd. Rx with <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷. <a href="/CubeSatOperator/">Егор</a>
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-22 06:58 UTC – Partially received photo from the 🇷🇺 🛰️ RTU MIREA1, but I guess that I didn't miss something important 😁. The positive thing is that the signal was transmitted on exactly the nominal frequency of 436.200 MHz. Егор

2025-06-22 06:58 UTC – Partially received photo from the 🇷🇺 🛰️ RTU MIREA1, but I guess that I didn't miss something important 😁. The positive thing is that the signal was transmitted on exactly the nominal frequency of 436.200 MHz. <a href="/CubeSatOperator/">Егор</a>
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-22 🛰️ Meteor-M N2-4 LRPT image. 137.9 MHz / OQPSK @ 72k symbol rate. Raging wildfire in Chios island, 🇬🇷.

2025-06-22 🛰️ Meteor-M N2-4 LRPT image.
137.9 MHz / OQPSK @ 72k symbol rate.
Raging wildfire in Chios island, 🇬🇷.
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-23 The wildfire in the 🇬🇷 island of Chios is raging for a second day. 😢 LRPT images received on 137.9 MHz in OQPSK 72k from 🛰️ Meteor-M N2-3 (morning) and 🛰️ Meteor-M N2-4 (afternoon).

2025-06-23 The wildfire in the 🇬🇷 island of Chios is raging for a second day. 😢
LRPT images received on 137.9 MHz in OQPSK 72k from
🛰️ Meteor-M N2-3 (morning) and 
🛰️ Meteor-M N2-4 (afternoon).
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-24 00:11 UTC – Reception of raw telemetry from the 🇺🇸 3U CubeSat 🛰️ UND ROADS 1 or 2 🤔 on 435.400 MHz, in FSK AX.100 Mode 5 @ 4800 bd, soon after its deployment. Replay of recorded IQ with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷. UNDAerospace

2025-06-24 00:11 UTC – Reception of raw telemetry from the 🇺🇸 3U CubeSat 🛰️ UND ROADS 1 or 2 🤔 on 435.400 MHz, in FSK AX.100 Mode 5 @ 4800 bd, soon after its deployment. Replay of recorded IQ with <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷. <a href="/UNDAerospace/">UNDAerospace</a>
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-23 22:32 UTC – Rx of raw telemetry in GMSK 4800 bd from the four 🇹🇷 6U 🛰️ ConnectaIoT-09 on 401.51 MHz, -10 on 401.52 MHz, -11 on 401.53 MHz, -12 on 401.54 MHz, a few mins after their deployment. Replay of recorded IQ w/ Airspy R2/Mini R2 and Yagi antenna in 🇬🇷. Plan-S

2025-06-23 22:32 UTC – Rx of raw telemetry in GMSK 4800 bd from the four 🇹🇷 6U 🛰️ ConnectaIoT-09 on 401.51 MHz, -10 on 401.52 MHz, -11 on 401.53 MHz, -12 on 401.54 MHz, a few mins after their deployment. Replay of recorded IQ w/ <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷. <a href="/WeArePlanS/">Plan-S</a>
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-24 11:43 UTC – Reception of raw telemetry from the newly deployed 🇳🇿 3U CubeSat 🛰️ TPA-1 on 401.900 MHz, in GFSK 2400 bd, using UZ7HO’s BlueWalker-3 (or Light-1) SoundModem. Replay of recorded IQ with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷. University of Auckland | Waipapa Taumata Rau

2025-06-24 11:43 UTC – Reception of raw telemetry from the newly deployed 🇳🇿 3U CubeSat 🛰️ TPA-1 on 401.900 MHz, in GFSK 2400 bd, using UZ7HO’s BlueWalker-3 (or Light-1) SoundModem. Replay of recorded IQ with <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷. <a href="/AucklandUni/">University of Auckland | Waipapa Taumata Rau</a>
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-24 11:44 UTC – Reception of telemetry from the newly deployed 🇪🇸 3U CubeSat 🛰️ FossaSat-2E21 on 401.700 MHz, in LoRa mode with my tiny.GS in 🇬🇷. LILYGO TTGO LoRa32 433 MHz ESP32 board and λ/4 GP antenna. FOSSA Systems

2025-06-24 11:44 UTC – Reception of telemetry from the newly deployed 🇪🇸 3U CubeSat 🛰️ FossaSat-2E21 on 401.700 MHz, in LoRa mode with my <a href="/tiny__GS/">tiny.GS</a> in 🇬🇷.
<a href="/lilygo9/">LILYGO</a> TTGO LoRa32 433 MHz ESP32 board and λ/4 GP antenna. <a href="/FossaSys/">FOSSA Systems</a>
ARISS - Amateur Radio on the ISS (@ariss_intl) 's Twitter Profile Photo

SSTV fans: stay tuned for mid-July activities! It's an appropriate collaboration between ARISS Russia and USA as we celebrate the Apollo-Soyuz Test Project. Also, it's been 40 years since SSTV in human spaceflight, so we'll celebrate STS-51F as well.

SSTV fans: stay tuned for mid-July activities! 

It's an appropriate collaboration between ARISS Russia and USA as we celebrate the Apollo-Soyuz Test Project.   Also, it's been 40 years since SSTV in human spaceflight, so we'll celebrate STS-51F as well.
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-24 18:00 UTC – 🛰️ NOAA-15 without Channel B (4 Thermal Infrared). Only Channel A. 😥 Rx in 🇬🇷 with R2FX APT receiver and DP-KE137 QFH Diamond Antenna.

2025-06-24 18:00 UTC – 🛰️ NOAA-15 without Channel B (4 Thermal Infrared). Only Channel A. 😥
Rx in 🇬🇷 with R2FX APT receiver and DP-KE137 QFH <a href="/DiamondAntenna/">Diamond Antenna</a>.
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-25 11:27 UTC - Tentative reception and decoding of raw telemetry from the newly deployed 🇩🇪 🛰️ SkyBee-2 (aka SkyBee-A02), on 401.050 MHz, in GFSK 2400 bd, using UZ7HO’s Light-1 SoundModem. Replay of recorded IQ with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷.

2025-06-25 11:27 UTC - Tentative reception and decoding of raw telemetry from the newly deployed 🇩🇪 🛰️ SkyBee-2 (aka SkyBee-A02), on 401.050 MHz, in GFSK 2400 bd, using UZ7HO’s Light-1 SoundModem. Replay of recorded IQ with <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷.
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-25 12:05 UTC - Rx of raw telemetry and music from the newly deployed 🇺🇸 16U CubeSat 🛰️ HUBBLE-6 (aka Lilo), on 401.100 MHz, in GMSK 4800 bd, using UZ7HO’s Gaspacs SoundModem. Replay of recorded IQ with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷. Tnx Vlad Vlad Chorney ☮️ for the hint.

Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-25 09:03 UTC – Rx of raw telemetry from the new 🇮🇹 CubeSat deployer 🛰️ ION SCV-18 Charismatic Carlus on 401.4145 MHz, in FSK AX.100 Mode 5 @ 1200 bd. Replay of recorded IQ with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷. I really like the names of D-Orbit's spacecrafts.

2025-06-25 09:03 UTC – Rx of raw telemetry from the new 🇮🇹 CubeSat deployer 🛰️ ION SCV-18 Charismatic Carlus on 401.4145 MHz, in FSK AX.100 Mode 5 @ 1200 bd. Replay of recorded IQ with <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷. I really like the names of <a href="/D_Orbit/">D-Orbit</a>'s  spacecrafts.
Merkouris SV2HWM (@sv2hwm) 's Twitter Profile Photo

2025-06-25 12:04 UTC - Reception of raw telemetry from the newly deployed 🇺🇸 12U CubeSat 🛰️ PADRE on 401.360 MHz, in GMSK 9600 bd, using UZ7HO’s Gaspacs Soundmodem. Replay of recorded IQ with Airspy R2/Mini R2 and Yagi antenna in 🇬🇷. Space Sciences Laboratory

2025-06-25 12:04 UTC - Reception of raw telemetry from the newly deployed 🇺🇸 12U CubeSat 🛰️ PADRE on 401.360 MHz, in GMSK 9600 bd, using UZ7HO’s Gaspacs Soundmodem. Replay of recorded IQ with <a href="/airspy_com/">Airspy R2/Mini</a> R2 and Yagi antenna in 🇬🇷. <a href="/ucbssl/">Space Sciences Laboratory</a>