afLULZ: (ecntimed) mixing turdulences ep there. This is way higher than "re concerned with for even IVE IKE cloud, The pointis, that we a con't have direct evidence for diffusion rates‘in the tratosphere. yet, and we could get evidence if we could get b pong up through the cloud and track it for even a few days, as is sugpqsted here. Ta purpose of nentloning it was aimply te pet ideas fy oma 08 poople as to whether it wos practical or not, So far, r think the only real objection which has bean raised fs that nicht he sone otherway of doing it more econoxioally, Peoar the idea of a large network of balloon: soundings 1s rather hore rifying, in @ way, until one coupares it %o the cost ¢ fiying : aircraft, wrich would have to ba jet airceaft, up te thive sams heights, which I think would be equally great, The seapling people will object to the fact that we are trying to tejenster | the information back and are not making an attenpt te aa ae what the xaterial is like. mo bs It ts, in principle, perfectly possible to reeover op! . fron hy 7 balloonsy that is, tosend sampling gear up ona t silee Feights as much as a ton have been carried by Gensral » polyethylone balloons up to 90,000 feet, Weld Like to gp higher. We could, presumably, if you want te out down o the weight to a few bundred pounds; we could get up to a 1001000 feet with these biz balloons, Therefore it does suggest thatlif we wanted to find out what sort of material is im the stratesphere one could also use balloons in this case, First of all,[getting Denorte Men His fof Eneray 27'S Offica ATE Ac hiwed CHIVES | 2035