Launch Announcement - 1st Dec (5:30am) London - Mission Impoppable 10

[Andrew Mulholland]

Another year, another group of Westminster school students have caught the ballooning bug!

The students are planning to move forward with a single launch from Vincent Square in central London tomorrow (Sunday 1st Dec) at 05:30am. This once again 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.

The balloon is a 350g balloon aiming for 17km altitude, with the payload coming in around 2.6KG.

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 real purpose of this flight though is testing their new flight controller board and code, with the plan for a larger flight later hopefully in the term.

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...

Predictions have it slowing drifting north east right now. 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 Saturday! 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 - Westminster School

[Gavin Gill]

I’m locked and loaded, hopefully :) you will be my first amateur flight if I do get you., I’m based near Coventry. I pick sondes up near your predictions so hopefully I’ll catch you. I will try get Horus up and running as well. Have an Awsome launch😀👍🏻

Kind Regards,

Gavin Gill

Sent from my iPhone

On 30 Nov 2024, at 20:54, Andrew Mulholland <gba...@gmail.com> wrote:



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[Andrew Mulholland]

Unfortunately, issues with the balloon have meant we've had to cancel the launch this morning. We may try to repeat the launch in the next week or 2 if the conditions are suitable.

Thanks all for being ready to track (even if there was nothing to track!)

[Gavin Gill]

Aw noo, I bet you and the students are gutted!

I’ll have my system set and ready, so hopefully catch something when you do launch. Will all the frequency’s stay the same?

Kind Regards,

Gavin Gill

Sent from my iPhone

On 1 Dec 2024, at 06:26, Andrew Mulholland <gba...@gmail.com> wrote:



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