The key is the radio,
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while many many will do crossband repeat, but few will be bi
directional. say you have 144 & 440 (yes I know the freqs
are not valid this is just for example. OK balloon is at 90K
feet and it hears a signal on 144 it re-transmits it on 440.
dozens will do that, but few will do the reverse now with no
changing at all, it hears a signal on 440 and re-transmits it
on 144. for EBBE to work it needs to be able to go both ways.
On 3/21/2020 9:26 AM, stan siems wrote:
Ok I thought that was what it was I have done many of these
using a tyt radio as a cross band repeater last one did 118k ft
but our package was stolen. We had people that witnessed some
one picking it up. Lost about $1500 in equipment , It had 3
cameras ,tyt radio, radiation recorder, usb battery, heater and
tracking aprs data recorder. I do have another balloon on hand
with enough Helium to fill it . Have new cameras and tracker we
were going to launch last spring at the ceder valley ham fest
but the weather beat me. There a you tube videos of our
flights where the cameras recorded the communications . I will
see If I can find them .
On 3/21/2020 8:53 AM, BASE_DePauw
EBBE is short for Earth-Balloon-Balloon-Earth
radio transmission link. A ground based amateur radio
operator contacts a distant operator using two high altitude
balloons with repeater radios to extend the range of radio
contact. It allows for contact over the horizon, which
normally is not possible for many radio frequencies.
On Sat, Mar 21, 2020, 9:42
AM stan siems <ssiems@...
what is EBBE
On 3/20/2020 10:58 PM, L. Paul Verhage KD4STH wrote:
I don't have a lot of help here, so I
may want to travel and launch with a group. That all
depends of course how the situation looks this summer.
On Fri, Mar 20,
2020, 2:42 PM Joe WB9SBD <nss@...
propose, everyone we have the virtual meeting
online using one of the many programs that do
that sort of thing.
The when it comes to launch day we all launch
from our usual launch sites.
I'd still love do do our EBBE flight, but have
yet to find a willing partner group to try it.
Near Space Sciences
On 3/20/2020 10:58 AM, Keith Kaiser, WA0̷TJT
HamSCI is in the middle
of a Zoom workshop right now. Its working great
and I think we should make GPSL 2020 a virtual
set of presentations with a coordinated launch