Mark Jessop - @vk5qi@cloudisland.nz (@vk5qi) 's Twitter Profile
Mark Jessop - @[email protected]

@vk5qi

He/Him; 'Strayan; Amateur Radio Operator (VK5QI); RF Engineer; High-Altitude Ballooning - sondehub.org; libre.space Contributor; #highaltitude on libera.chat.

ID: 9172212

linkhttp://rfhead.net/ calendar_today30-09-2007 14:05:31

8,8K Tweet

2,2K Followers

851 Following

Mark Jessop - @vk5qi@cloudisland.nz (@vk5qi) 's Twitter Profile Photo

First radiosonde launch from Starbase prior to Starship 8! We need an auto_rx receiver station closer to Starbase to collect telemetry right from launch! NSF - NASASpaceflight.com can you help? tracker.sondehub.org/#!mt=Mapnik&mz…

First radiosonde launch from Starbase prior to Starship 8! We need an auto_rx receiver station closer to Starbase to collect telemetry right from launch! <a href="/NASASpaceflight/">NSF - NASASpaceflight.com</a> can you help? tracker.sondehub.org/#!mt=Mapnik&mz…
SpaceX (@spacex) 's Twitter Profile Photo

Targeting Friday, March 14 for a Falcon 9 launch of the Transporter-13 mission from Space Launch Complex 4E in California → spacex.com/launches/missi…

Targeting Friday, March 14 for a Falcon 9 launch of the Transporter-13 mission from Space Launch Complex 4E in California → spacex.com/launches/missi…
Defence Science and Technology Group - Australia (@defencescience) 's Twitter Profile Photo

Ready for launch! 🚀 🛰️ #Defence is flying to space! The Buccaneer Main Mission developed by Defence Science and Technology Group was integrated into the SpaceX launch stack in early 2025 and is awaiting launch.

Ready for launch! 🚀 🛰️ 

#Defence is flying to space! The Buccaneer Main Mission developed by Defence Science and Technology Group was integrated into the SpaceX launch stack in early 2025 and is awaiting launch.
Defence Science and Technology Group - Australia (@defencescience) 's Twitter Profile Photo

The main objective of the Buccaneer Main Mission is to collect high-frequency (HF) measurements in Low Earth Orbit (LEO) to better understand radio-frequency (RF) propagation through the ionosphere. The satellite bus was designed by local Adelaide company Inovor Technologies.

SatNOGS (@satnogs) 's Twitter Profile Photo

📌 The SatNOGS Network 📡 is ready to track #satellites 🛰️🛰️ from the Transporter 13 rideshare. 🌎🌍🌏 For more updates, follow: community.libre.space/t/transporter-…

Defence Science and Technology Group - Australia (@defencescience) 's Twitter Profile Photo

We have lift off! 🚀 🌏 🛰️ The Buccaneer Main Mission (BMM) was launched by SpaceX from Vandenberg Space Force Base in California. It was ejected from the dispenser about two hours after launch and began to orbit the Earth, turning on about 45 minutes after ejection.

We have lift off! 🚀 🌏 🛰️ 

The Buccaneer Main Mission (BMM) was launched by SpaceX from Vandenberg Space Force Base in California. It was ejected from the dispenser about two hours after launch and began to orbit the Earth, turning on about 45 minutes after ejection.
Mark Jessop - @vk5qi@cloudisland.nz (@vk5qi) 's Twitter Profile Photo

Playing with one of these cheap 'EMF meters'. Starts blinking scarily at a few tens of mW/m^2. For reference the ARPANSA RPS S-1 General Public limit at the frequency I was TXing on is 2000 mW/m^2. No wonder the people who buy these things freak out.

Playing with one of these cheap 'EMF meters'. Starts blinking scarily at a few tens of mW/m^2. For reference the <a href="/ARPANSANews/">ARPANSA</a> RPS S-1 General Public limit at the frequency I was TXing on is 2000 mW/m^2. No wonder the people who buy these things freak out.
Mark Jessop - @vk5qi@cloudisland.nz (@vk5qi) 's Twitter Profile Photo

Oh look AST SpaceMobile using the amateur radio bands again. Their argument to the FCC is "It's outside the US, we don't have do do any analysis." Kindly get the hell out of our bands thank you. ACMA

Mark Jessop - @vk5qi@cloudisland.nz (@vk5qi) 's Twitter Profile Photo

Last night I gave a presentation on go at the Australian Foxhunting (Amateur Radio Direction Finding) Championships - It's now up on YouTube here: youtube.com/watch?v=Mz0YzP…

Defence Science and Technology Group - Australia (@defencescience) 's Twitter Profile Photo

Happy #WorldSpaceWeek from Buccaneer Main Mission 🛰️ 🚀 🌌 Our nanosatellite has spent the last six months of operation successfully demonstrating its primary experimental objectives – you could say the progress is out of this world!

Happy #WorldSpaceWeek from Buccaneer Main Mission 🛰️ 🚀 🌌 

Our nanosatellite has spent the last six months of operation successfully demonstrating its primary experimental objectives – you could say the progress is out of this world!
Defence Australia (@defenceaust) 's Twitter Profile Photo

🌌 Buccaneer at Six Months: Engineering Resilience in Orbit 🛰️ Six months since the Buccaneer Main Mission satellite was launched into low-Earth orbit, the team at Defence Science and Technology Group - Australia is thrilled with its progress. Highlights: ✅ The Buccaneer Main Mission demonstrated all primary

🌌 Buccaneer at Six Months: Engineering Resilience in Orbit 🛰️

Six months since the Buccaneer Main Mission satellite was launched into low-Earth orbit, the team at <a href="/DefenceScience/">Defence Science and Technology Group - Australia</a> is thrilled with its progress.

Highlights:
✅ The Buccaneer Main Mission demonstrated all primary