[aprssig] Re: Balloon Altitude (was Clipped menus in Xastirandother ?'s)

Larry Cerney lcerney at viawest.net
Mon Dec 13 12:15:04 EST 2004

Steve, et al;

Sorry, the call-k0ani-11 was my typing error.

I still don't understand why I can only get a good graph with last=1400
hours and I get an error message with last=48 hours.

Thanks again


"The only reason for time is so that everything doesn't happen at once." 
--Albert Einstein 

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Steve Dimse
Sent: Monday, December 13, 2004 9:08 AM
To: TAPR APRS Mailing List
Subject: RE: [aprssig] Re: Balloon Altitude (was Clipped menus in
Xastirandother ?'s)

On 12/13/04 at 8:33 AM Larry Cerney <lcerney at viawest.net> sent:

>Maybe you could help me with a problem with your cgi script below.  We flew
>a balloon yesterday with two APRS packages on it.  The first package,
>AE0SS-11 reports correctly with the last=9999 as it hadn't been seen by
>FindU until yesterday.  My package, K0ANI-11, I had tested in my yard 30
>feet away from my I-gate antenna and so FindU has a good base of altitude
>data.  When I use the cgi below with last=9999 it works fine.  When I try
>change it to last=24 or last=0024 I get an error message.
>"The image
>cannot be displayed, because it contains errors."
>I just tested a few last='s and found that it does work starting at
>last=1400.  Strangely, with last=1390 it only shows the downward slope.

First the above URL is incorrect, it is call=k0ani-11, not call-k0ani-11,
however even fixing this gives an empty graph, because k0ani-11 has not sent
position in the 24 hours. In fact, the last position was October 16. I'll
it for someone else to double-check the conversion to hours, but two months
pretty close to 1400 hours...
>I'm assuming the last= refers to hours, not minutes.  I that correct?
yes, but perhaps somehow you got the idea it is last hours it transmitted,
last from the current time. All the cgis that accept a last are referenced
current time. In fact now last=1390 fails, but 1391 gives the part of the
above 50k. By the time you read this, it will be different...

Steve K4HG

aprssig mailing list
aprssig at lists.tapr.org

More information about the aprssig mailing list