ct1dov_john's profile picture. Amateur Radio CT1DOV

Joao Beltrao CT1DOV

@ct1dov_john

Amateur Radio CT1DOV

Joao Beltrao CT1DOV reposted

Last pass over Madeira Island : Orbit 15.668 - IM12mp

CT3FM's tweet image. Last pass over Madeira Island : Orbit 15.668 - IM12mp

Joao Beltrao CT1DOV reposted

First contacts on the new RS-44 satellite: EA8CXN, CT1BYM and EA2AZW. Nice to work you. some qsb but strong signals.

CT3FM's tweet image. First contacts on the new RS-44 satellite:
EA8CXN, CT1BYM and EA2AZW.
Nice to work you. some qsb but strong signals.

Joao Beltrao CT1DOV reposted

A l'occasion de l'EUROPEAN EME CONTEST du 160421 FR5DN nous présente sa station On the occasion of the EUROPEAN EME CONTEST on 160421 FR5DN presents its station @amsatf @ref_info @ref_union @Thom_astro à retrouver sur by youtube.arra.re #ARRA974


Joao Beltrao CT1DOV reposted

ISTASAT-1 (@ISTSat_One) is the first nanosatellite (Cubesat) fully developed in Portugal, by Técnico students, and is ready to take a ride from an ESA launch vehicle to get into orbit. 🎙️🇵🇹 ("110 Histórias | 110 Objetos; Ep. 34) bit.ly/3rV9iS0 #110Técnico #TécnicoScience

istecnico's tweet image. ISTASAT-1 (@ISTSat_One) is the first nanosatellite (Cubesat) fully developed in Portugal, by Técnico students, and is ready to take a ride from an ESA launch vehicle to get into orbit. 🎙️🇵🇹 ("110 Histórias | 110 Objetos; Ep. 34) bit.ly/3rV9iS0 #110Técnico #TécnicoScience

Joao Beltrao CT1DOV reposted

GB70U QO-100 station up and running. Ready to setup at the SES site tomorrow #JubileeWeekend #PlatinumJubilee

Guern2's tweet image. GB70U QO-100 station up and running. Ready to setup at the SES site tomorrow #JubileeWeekend  #PlatinumJubilee
Guern2's tweet image. GB70U QO-100 station up and running. Ready to setup at the SES site tomorrow #JubileeWeekend  #PlatinumJubilee

Joao Beltrao CT1DOV reposted

Longmynd client has been updated and new Winterhill client available for testing! buymeacoffee.com/zr6tg/updated-… #amsat #satellites #batc #datv #amateurradio #raspberrypi

geekc0der's tweet image. Longmynd client has been updated and new Winterhill client available for testing!

buymeacoffee.com/zr6tg/updated-…

#amsat #satellites #batc #datv #amateurradio #raspberrypi

Joao Beltrao CT1DOV reposted

Our new Full Duplex Groundstation. Soon available. #qo100 #dxpatrol #hamradio


Joao Beltrao CT1DOV reposted

Check out the bright waves, swirls, and vortices in Jupiter’s atmosphere — as well as the dark ring system, one million times fainter than the planet! Two moons of Jupiter, including one that’s only about 12 miles (20 km) across, are on the left.

NASAWebb's tweet image. Check out the bright waves, swirls, and vortices in Jupiter’s atmosphere — as well as the dark ring system, one million times fainter than the planet! Two moons of Jupiter, including one that’s only about 12 miles (20 km) across, are on the left.

Joao Beltrao CT1DOV reposted

1. Make way for the king of the solar system! 👑 New Webb images of Jupiter highlight the planet's features, including its turbulent Great Red Spot (shown in white here), in amazing detail. These images were processed by citizen scientist Judy Schmidt: go.nasa.gov/3K9zMqC

NASAWebb's tweet image. 1. Make way for the king of the solar system! 👑

New Webb images of Jupiter highlight the planet's features, including its turbulent Great Red Spot (shown in white here), in amazing detail. These images were processed by citizen scientist Judy Schmidt: go.nasa.gov/3K9zMqC

Joao Beltrao CT1DOV reposted

Just in case you missed it, Icom announced the IC-905 VHF/UHF/SHF Transceiver at the Tokyo Hamfair over the weekend. If you follow this link, it will take you to a video and downloadable brochure: icomuk.co.uk/Icom-IC-905-VH… #icom #hamradio #ic905 #icom #icomradio

Icom_UK's tweet image. Just in case you missed it, Icom announced the IC-905 VHF/UHF/SHF Transceiver at the Tokyo Hamfair over the weekend.  If you follow this link, it will take you to a video and downloadable brochure: icomuk.co.uk/Icom-IC-905-VH…  #icom #hamradio #ic905 #icom #icomradio

Joao Beltrao CT1DOV reposted

Aways a good night to get a clean sweep on the 100w and a wire net with 10w and verticals. S9 in WA on 20m, S1 in MN on 20m, barely squeaked out 40m in NJ. 40m and 20m EFHW were the same on 20m TX, slight nod to 20m EFHW on receive but has more noise than the 40m ant. Dead heat

RexWeatherford's tweet image. Aways a good night to get a clean sweep on the 100w and a wire net with 10w and verticals. S9 in WA on 20m, S1 in MN on 20m, barely squeaked out 40m in NJ.  40m and 20m EFHW were the same on 20m TX, slight nod to 20m EFHW on receive but has more noise than the 40m ant. 
Dead heat

Joao Beltrao CT1DOV reposted

When IT hardware fails on you… some things are the same, in space or on Earth! Laptops seem to fail more frequently up here, though. We are all proficient at shell swaps by now! #MissionMinerva #LifeInSpace

AstroSamantha's tweet image. When IT hardware fails on you… some things are the same, in space or on Earth! Laptops seem to fail more frequently up here, though. We are all proficient at shell swaps by now! #MissionMinerva #LifeInSpace
AstroSamantha's tweet image. When IT hardware fails on you… some things are the same, in space or on Earth! Laptops seem to fail more frequently up here, though. We are all proficient at shell swaps by now! #MissionMinerva #LifeInSpace

Joao Beltrao CT1DOV reposted

とりあえずシングル 9Vで回転速度は十分かな


Joao Beltrao CT1DOV reposted

Beautiful Digi from ISS Packet system. For every tx request it replied.Unfortunately no IGate/APRS station around,I missed Personal Message System #BBS In the past the Mail Box was the only way to enjoy #ISS over Africa. An old clip @ youtu.be/UaoxTn9JzRU @amsat @ARISS_status

st2nh's tweet image. Beautiful Digi from ISS Packet system. For every tx request it replied.Unfortunately no IGate/APRS station around,I missed Personal Message System #BBS In the past the Mail Box was the only way to enjoy #ISS over Africa. An old clip @ youtu.be/UaoxTn9JzRU @amsat @ARISS_status

Joao Beltrao CT1DOV reposted

Last pic of Earth taken by NASA's Cassini spacecraft before it went on a death dive into Saturn credit: NASA

konstructivizm's tweet image. Last pic of Earth taken by NASA's Cassini spacecraft before it went on a death dive into Saturn
credit: NASA

Joao Beltrao CT1DOV reposted

Decided late to setup and play! Decided to use the SW-3B rig that hasn’t seen much love lately. Used the N6ARA keyer, the SOTABeam 17-40 linked dipole on the SOTA Tactical pole, powered by a Bioenno LiPo 3ah battery. This little jewel of a rig still operates fine! #qrp #cw

dirtyolefireman's tweet image. Decided late to setup and play! Decided to use the SW-3B rig that hasn’t seen much love lately. Used the N6ARA keyer, the SOTABeam 17-40 linked dipole on the SOTA Tactical pole, powered by a Bioenno LiPo 3ah battery. This little jewel of a rig still operates fine! #qrp #cw
dirtyolefireman's tweet image. Decided late to setup and play! Decided to use the SW-3B rig that hasn’t seen much love lately. Used the N6ARA keyer, the SOTABeam 17-40 linked dipole on the SOTA Tactical pole, powered by a Bioenno LiPo 3ah battery. This little jewel of a rig still operates fine! #qrp #cw

Joao Beltrao CT1DOV reposted

Activation of SOTA Monte de Lousada CT/DL-009. How important it is to be left handed in CW only 😂 #cw4ever #hamradio #cw


Joao Beltrao CT1DOV reposted

A nice morning activating the Salton Sea State Recreation Area, K-3552. I made thirty QSOs before the heat of mid morning chased me out of there. Even @astro_kjell NA1SS hunted the park from low earth orbit!

W6KSR's tweet image. A nice morning activating the Salton Sea State Recreation Area, K-3552. I made thirty QSOs before the heat of mid morning chased me out of there. Even @astro_kjell NA1SS hunted the park from low earth orbit!
W6KSR's tweet image. A nice morning activating the Salton Sea State Recreation Area, K-3552. I made thirty QSOs before the heat of mid morning chased me out of there. Even @astro_kjell NA1SS hunted the park from low earth orbit!
W6KSR's tweet image. A nice morning activating the Salton Sea State Recreation Area, K-3552. I made thirty QSOs before the heat of mid morning chased me out of there. Even @astro_kjell NA1SS hunted the park from low earth orbit!
W6KSR's tweet image. A nice morning activating the Salton Sea State Recreation Area, K-3552. I made thirty QSOs before the heat of mid morning chased me out of there. Even @astro_kjell NA1SS hunted the park from low earth orbit!

Joao Beltrao CT1DOV reposted

The STL files and directions to print the primary focus dish antenna support kit for the M0EYT X-Band feeder with squeezed waveguide circular polarizer and Kumar ring choke are now available on thingiverse.com/thing:5473266 @uhf_satcom

ea4le's tweet image. The STL files and directions to print the primary focus dish antenna support kit for the M0EYT X-Band feeder with squeezed waveguide circular polarizer and Kumar ring choke are now available on thingiverse.com/thing:5473266
@uhf_satcom

Joao Beltrao CT1DOV reposted

All my @M5Stack Ham Radio projects in a short video. They are all under development to improve them 🤗


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