Bearing, distance, altitude is the only mantra I want to hear with the proviso
I know beforehand whether it's MSL or AGL altitude. I won't quibble about that.
For stock APRS stuff, Xastir with the Festival voice server will do distance
and bearing only but the altitude and horizontalspeed is displayed with the
other particulars next to the rocket icon (I chose). Kurt
From: W7AMI <[email protected]>
To: Bdale Garbee <[email protected]>; Keith Packard <[email protected]>; Altus
Metrum <[email protected]>
Sent: Monday, April 17, 2017 1:50 PM
Subject: Re: [altusmetrum] AltosDroid Anomaly?
Yup. When the rocket is in the air my only two concerns are how far
I'm going to be walking and trying to spot it in the air. That's why I
was surprised last weekend when I only got the bearing but not the
elevation angle in the announcements.
Terry
PS The rocket is named NoSeeUm for good reason. I didn't actually
spot it until after the main chute opened at 1,000 feet.
On 4/17/2017 11:35 AM, Bdale Garbee wrote:
> Keith Packard <[email protected]> writes:
>
>> Yeah, I've been kinda wondering. I initially thought that the distance
>> to the rocket would help you figure out how big it might look in the
>> sky, but distance over the ground might be more useful. Of course, that
>> value is present on the screen.
> I'm with Terry, what you want to hear at the field is the sub-satellite
> distance. 'Cause all anyone really cares about for distance is how long
> the walk/drive is going to be.
>
> I, at least, can't mentally translate from distance to anticipated spot
> size in my head, so knowing azimuth and elevation angles is as good as
> it's going to get for trying to spot the airframe descending, I think.
>
> Bdale
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