Launch Announcement - 1st July (5:30am) London - Mission Impoppable 12

[Andrew Mulholland]

After the failed Mission Impoppable 10 launch back in December and a cancellation of Mission Impoppable 11 just over a week ago now due to safety concerns with the landing locations, the same group are back attempting one final launch (really hoping this will be the final one...). This launch is scheduled for 5:30am tomorrow (Tuesday 1st July).

If this launch does happen, it's likely to be the final Westminster School HAB launch, as a few months ago I departed for greener, snowier and more mountainous (abroad) teaching pastures.

With some luck and some misaligning term dates though, I happen to be travelling through London on the way home, with Westminster School still in term time, so I shall be joining them.

The wind conditions have the payload drifting north east.

As usual, this has special permission from the CAA along with a requirement to work closely with ATC on the day. The early start is a requirement from the CAA.

As of right now, no balloon size has been chosen and will depend on conditions in the morning.

The payload includes a range of atmospheric sensors and a camera. In addition to this, there is a Raspberry Pi Flextrak sending back pictures and a Radiosonde backup.

The launch features 3 (transmitting) trackers.

• WSHAB1 - 434.275MHz, LoRa Mode 1 (including SSDV) - Raspberry Pi Flextrak

• WSHAB2 - 434.425MHz, LoRa Mode 1 (no SSDV, issues with mode 0, so had to go mode 1) - Custom Raspberry Pi Pico tracker. This one sends back most of the atmospheric data.

• FHS-RS1 - 434.600MHz,  Horus Binary 4FSK V2 on 434.600 Mhz - callsign FHS-RS1 - This is a reprogrammed Radiosonde RS41, only really there in case all else fails...

I've fed a bunch of different predictions into our system (which pulls its predictions from Tawhiri) for potential bursts - https://predict.gbaman.info/

I know the students will appreciate any help tracking, if anyone happens to be up that time of the morning on a Tuesday! They won't be doing any tracking of their own of WS-RS1 (with it being a backup). Their focus will be WSHAB1 and WSHAB2 on LoRa.

Many thanks
Andrew and the Westminster School student team

[Stephen Billings]

Hi,

       I won't be tracking this, but I have a suggestion. As one trail is shown going towards Mildenhall and/or Lakenheath, you contact the base asap, to let them know there might be a balloon/parachute in the area. And it's a school project.

Otherwise, you might get it back several weeks from now. I know you will be working with ATC, but do this, as it can help. 

Yours,

           Stephen Billings.

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[Steven]

Looks like a relatively successful flight, Andrew. Nice to see it follow predictions fairly well, and land quite close to a footpath across a farmers field? Hope that made for an easy recovery. Well done for getting it launched, what with all the usual ATC challenges etc.

[Andrew Mulholland]

Thanks everyone for the help tracking. A very successful flight, even if it did drop a tad faster than expected.

Took a bit of a walk to get to it, but easy enough recovery in a large field and now on the way back to school.

A fantastic final balloon flight for the students before they head to university.

[Jean Paul Béhague]

Good flight, congratulations to the team .

Ready for the next one...

73

Jean Paul F6ASP

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