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Do you know how fast the aircraft pressurized? If it pressurized from 20k to -2.5k in 10 secs (just guessing), resulting calculated speeds and accelerations would be in a range never obtainable by a skydiver (e.g. 500mph and 10G - guessing again). The question is whether the designer of the AAD considered this case to be normal and within in normal operational limits and to fire whenever the unit senses the 'correct' altitude or rather as being an indication of something being wrong with the unit (i.e. the pressure sensor) or the environment (i.e. an aircraft being pressurized too fast :-) and to rather switch the unit off instead of risking to fire in questionable circumstances. From an engineering point of view, the later is the better design for a fail-safe device. 'Locking' the device in such a case makes sense as well, as you probably want to make sure the unit has to be returned to the factory so you can inspect the questionable unit and retrieve the data logged before it is used again. My Logbook

Like Paralog? My Logbook

What's that and where can I find more information? There doesn't seem to be anything on the L&B website. http://www.alti-2.com/Titan/titan.htm My Logbook

Glad to hear this. So it's not the Porter or it's windshield! It is an unfortunate fact that GPS signals can not be received in buildings, forests(!), cars and planes without a clear view to a larger part of the sky. Nevertheless - without going into the technical details - short interruptions of satelite reception should result in a 'hot fix' with a re-aquisition time of less than 15 secs. What can you do to improve the situation? Keep a satelite fix as long as possible, be quick getting to the door, get a new fix while waiting in the door. When jumping a Porter, can't you just do a diving exit directly from the co-pilots seat out of the door? This should keep the interuption to a minimum. ;-) HTH, Klaus My Logbook

Marco, this is not a stupid question at all! Although I have no personel experience with a Porter or Finist, I have succesfully used the ForeTrex 101 through the windows of other planes and cars. Actually, the big front window of the Porter should be ideal as it gives you a clear view of more than half of the sky. I can think of two possible reasons creating the problems: The windshield might be metal-covered as insome cars or the built-in GPS or some other on-board electronis create interference. What happens if you try to get a satelite fix through the front window on the ground with all electronics switched off? Would a re-radiating antenna be an option? Does anybody else have some good or bad experience or background information on using GPS in a Porter? Klaus My Logbook

Kris, Based on my experience, the spatial resolution and accuracy does not directly impact speed accuracy. Although your absolute position might not be accurate, two consecutive positions are usually quite accurate compared to each other, i.e. the position does not 'jump'. You can verify this with this simple experiment: Switch on your GPS receiver and stand still. Although your unit might report an accuracy of 'only' 7ft, your measured and displayed speed will usually be zero. This chart demonstrates what I mean. Klaus My Logbook

GPS: Garmin ForeTrex 101 or 201 Software: Paralog with GPS integration, of course My Logbook

Hey Deuce! Whats's up? Took my daughter up for a nice beach-sunset-tandem when she was nine. It was great! Same agreement here. No problem to fly/drive together, but not on the same canopy. Not that I think anything will go wrong, it just feels like tempting fate. Does thath make sense? Klaus My Logbook

Do you have kids? My Logbook

http://www.igkt.net/beginners/monkeys-fist.html Use 1/4" rope. Talk to your rigger to sew it to your PC... My Logbook

I know you all would vote YES to 'Would You Jump Your Wife' - I hope. But... Inspired by a recent thread regarding TM qualification jumps... Would you jump with your better half as your tandem passenger? I'd love to take her for a ride. Did video twice for her, but always declined to be her TM. I'd love too, but what if shit happened? Who would drive our daughter home? Klaus My Logbook

Kris, you can definitly download data from a 101; I am doing this for some time now. Garmin's web site says: 'The Foretrex 101 has all the features and functionality of the Foretrex 201, including PC interface capabilities for downloading waypoints, tracks and routes, but operates on two AAA batteries.' Klaus My Logbook

Kris, I'm using my Foretrex 101 (same model except for batteries) without problems on 2.40. Klaus My Logbook

Paralog runs on native MAC OS X and reads ProTrack data. My Logbook

Vielen Dank! My Logbook

Does anybody here have a schema for a simple video recording indicator? I remember there's a photo transistor, a resistor, a LED, a battery and a switch involved, but I'm missing part numbers... Any help is appreciated, Klaus My Logbook

Hold on to your mug! My Logbook

Ghostrider? My Logbook

This value is calculated from the ICAO Standard Atmosphere. My Logbook

Hey JP, where are the pictures - especially those from the foam party? My Logbook

Hi Robert, this is Klaus, the author of Paralog. Was there any information missing in my email? You have to set up the IR port in ME as described here (here is a translated version) and your Jornada has an unsupported OS version; the utility requires PPC 2003!. Klaus My Logbook

Paralog My Logbook

...and altitude Paul, mustn't forget altitude... Temperature only: Sound Speed in Gases. My Logbook

Count me in! My Logbook

Hi Brian, I'm living in Hamburg and know both DZs you mentioned. PM me when you've arrived so we can discuss on the phone. BTW: I prefer Hefe-Weizen