Dear all, BASE 21 was a successful flight. Back-up computer issues and predawn assembly at 0 Celsius delayed the launch until 11:15 UTC. Steady climb at...
Hi Everyone, I was digging through the old video pile looking for that hold hack line footage, and i found this. What a blast from the past, Guess who? ...
I arrived at the landing site after midnight....as I approached the exit just north of Lexington KY, I could hear my voice beacon and could talk through the...
How time flies! It is time to start thinking about the Spring 2008 issue of Amateur Television Quarterly. Articles are needed by April 1st. Any good technical...
Hi Joe: Well everyone knows that is none other that Bill Brown, WB8ELK in his more youthfull days at Jeff's, KA9TGX's video center near West Lafayette, IN....
Mark, that is exactly right....that was in Jeff KA9TGX's amazing ATV studio in West Lafayette, IN...and about 1989.....I'm still trying to find that girl...she...
Hi All, Just thinking here,, this is almost too simple but yet i don't know if anyone has tested one. say the super basic 7805, we all have used hundreds of...
Hi Joe, I use one in the AE0SS-11 module where we've measured internal temps as low as -10C with no problems. But of course, since the 7805 is dissipating...
Good point Mike, as far as it being warm doing it's job so to speak, Hmmm, I wonder what it does if it was connected to something in a sleep mode where it...
Well, I think the plain vanilla 7805 is rated over just the commercial 0 - 70C ambient temp range with max junction temp of 125C for the plastic TO220 package....
Hi Hank, Can you please send me the URL that has the mention of balloon. Thank you. 73, Joe Lynch, N6CL Editor, CQ VHF magazine VHF Editor, CQ magazine...
Hello, Spirit of Knoxville IV (SNOX IV) launch date has been set. This flight is designed to stay aloft for more than 24 hours, inserted into the current jet...
I use the LM2940 for my electronics and they seem to work well. According to my measurements, my capsule interiors don't drop below 0C except for a few...
Spaceward wants to use a 1 km long ribbon for their 2008 competition. To lift it that high, they plan to use a balloon. I've written an article on the...
Hi all, We're trying out a chatroom on this flight for DTRC users and interested people to converse about the flight in progress with us and eachother. You can...
Hi Bruce, EOSS also flies the PC-Electronics KPA-5 1W 70cm AM xmtr. But it pulls 6W of dc power, so payload weight is dominated by batteries and dc-dc...
Hi, 14 CFR 101, Subpart B covers FAA regulations on moored balloons and basically prohibits them above 500 feet above the surface. Even so, notice to the FAA...
UTARC UX-20-something is over the Atlantic, telemetry received is putting distance (Great Circle) at 1176.50 mi, which is currently #3 on Ralph's record page. ...
At 1301 UTC, the balloon was at 39,166 ft about 400 mi NNE of Bermuda. I did a quick trajectory calculation using a near-constant altitude and it shows the...
Hello all, UTARC is excited to announce that Snox IV has comfortably broken the earlier great circle distance record of 1411 miles, set by Bill Brown in 2005....
Altitude has dropped to about 20,000 ft but still going. Latest position is roughly 500 mi WSW of Ireland and from the satellite imagery it is probably flying...
Hi Dan, Just peeked at the last dashboard report. Congrats on setting a new DX record for a flight, but it must be frustrating to have missed landfall in...
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Ralph Wallio, W0RPK
W0RPK@...
Mar 13, 2008 3:49 pm
Stratofox recovery story of latest Stanford University flights. http://www.stratofox.org/ --W0RPK Date: Sat, 8 Mar 2008 20:59:16 -0800 From: Ian Kluft...
