PACKET RADIO: 1992 Moon Proposal
Steve Wolf, W8IZ @ W8IZ.#NEOH.OH.USA.NA
(This text from the NO8M packet radio bulletin
board. It's formatted to fit a 80 character screen.)
(Note number two, to those on the Internet: Amateur Radio has many earth orbiting
satellites which are used in various aspects of amateur radio communication. Placing
equipment in space, although a difficult task, is not new to ham radio.)
Bulletin ID: $SPC0203
=========
SpaceNews
=========
MONDAY FEBRUARY 3, 1992
SpaceNews originates at KD2BD in Wall Township, New Jersey, USA. It
is published every week and is made available for unlimited distribution.
* LUNAR TRANSPONDER PROPOSED *
==============================
Eduardo Sweet, LU7AKC, has proposed a lunar-based store-and-forward
digital transponder for relaying packet radio communications around the
Earth. This proposal would eliminate the short access times currently
experienced when operating through low-Earth satellites, such as the
Pacsats. Provisions for including a CCD imaging camera for video
experiments are also possible.
Proposed DigiMOON MailDrop commands:
S <call> Send message to <call>
S <call> @ <call> Send message to <call> at BBS <call>
SB <call> Send bulletin to <call>
SB <call> @ <call> Send bulletin to <call> at BBS <call>
J Display heard stations (with day/time stamps)
J xx Display last xx heard stations (with day/time stamps)
B Disconnect
Proposed type of station:
DIGIMN-0 Workable only by authorized control stations.
Used for DigiMOON control and management.
It only sends the BEACON.
DIGIMN-1 DigiMOON DIGIPEATER.
DIGIMN-2 DigiMOON MailDrop.
SOME DESIRED FUNCTIONS/CHARACTERISTICS:
Self adjusting output power, depending on current availability.
Automatic Kill on forwarded messages or bulletins.
Programmable message/bulltin expiration dates.
Unproto: MAIL.
Modulation: PSK.
Band: 144 or 432 or 1296 MHz.
The following have offered their support in the DigiMOON proposal:
G3RUH James Miller
LU1BOR Federico ?????
LU1COC Alberto Ibertis
LU2BDT Mario Ibertis Rivera
LU3AGJ Juan Giometti
LU4AEY Claudio Marco Zanella
LU4AIW Eduardo "Eddy" Giacchino
LU4DGN Carlos "Charlie" Farenga
LU8DYF Norberto Pennini
PY2BJO Junior De Castro
UA3CR Leonid Labutin
Comments regarding this proposal may be directed to Eduardo Sweet, LU7AKC
via any of the following paths:
PACKET : LU7AKC @ LU7AKC.#COL.CF.ARG.SOAM
SATELLITE : LU7AKC @ LU8DYF (or any satellite-gateway station worldwide)
Eduardo Sweet, LU7AKC
DIGIMOON Project general coordinator,
Ramon Freire 487,
Buenos Aires, (1426),
Argentina,
South America.
FAX : (+54-1) 552-8962
TELEPHONE : (+54-1) 551-8141
[Info via Eduardo, LU7AKC]
HR LU7AKC DIGIMOON PROJECT BULLETIN PRODM006 FROM LU7AKC @ LU3AGJ.CF.ARG.SOAM
BUENOS AIRES, ARGENTINA OCTOBER 10, 1991
TO: AMSAT (Worldwide) & ALL RADIO AMATEURS
Hello! We are very pleased to inform that we have almost resolved the
cooling problem, due to an idea proposed by Charlie (LU4DGN).
* TEMPERATURE *
===============
A very close friend of mine, Charlie (LU4DGN), have almost resolved the cooling
problem of the mooncraft. It's very well known that the satellites spin over
it's axis exposing the different sides to the sun in order to keep the
satellite's temperature.
Charlie has proposed to make a four leg support for supporting the
mooncraft, so it can spin over it's axis. The system is based on a
microprocessor controlled servo motor.
* ENERGY *
==========
We planned to use solar panels and Peltier cells in order to grab energy
from the sun and from the thermal difference between the different mooncraft
sides.
* LINK *
========
We've found that some 1200 MHz. satellite receivers have de-sensing problems
(10dB losses) due to received signals from different earth radars. We think
that the better bands for linking with the mooncraft are 430 MHz. and 2400
MHz.
* THANKS! *
===========
Thanks to all those who sent feedback to and/or helped the DIGIMOON project,
specially:
G3RUH LU1BOR LU2BDT LU2EXS LU3AGJ LU4AIW LU4DGN LU4ENQ LU8DYF LU1ESY PY2BJO
* FEEDBACK WELCOMED *
=====================
Feedback regarding DIGIMOON may be directed to the editor using any one of the
following paths:
PACKET : LU7AKC @ LU3AGJ.#DEV.CF.ARG.SOAM
SATELLITE: LU7AKC @ LU8DYF
MAIL : Eduardo Sweet, LU7AKC
DIGIMOON Project
Ramon Freire 487,
Buenos Aires, (1426),
Argentina,
South America.
* FEEDBACK WELCOMED *
=====================
Feedback regarding DIGIMOON may be directed to the editor using any one of
the following paths:
PACKET : LU7AKC @ LU3AGJ.CF.ARG.SOAM
SATELLITE: LU7AKC @ LU8DYF
MAIL : Mr. Eduardo Sweet, LU7AKC
DIGIMOON Project
Ramon Freire 487,
Buenos Aires, (1426),
Argentina,
South America.
HR LU7AKC DIGIMOON PROJECT BULLETIN PRODM007 FROM LU7AKC @ LU7AKC.CF.ARG.SOAM
BUENOS AIRES, ARGENTINA DECEMBER 30, 1991
TO: AMSAT (Worldwide) & ALL RADIO AMATEURS
Hello! We are very pleased to inform that we have our own BBS and it's working
24 hours a day!
* THANKS! *
===========
Thanks to all those who sent feedback to and/or helped the DIGIMOON project,
specially:
G3RUH James Miller
LU1BOR Federico
LU1COC Alberto Ibertis
LU2BDT Mario Ibertis Rivera
LU3AGJ Juan Giometti
LU4AEY Claudio Marco Zanella
LU4AIW Eduardo Giacchino
LU4DGN Carlos Farenga
LU8DYF Norberto Pennini
PY2BJO Junior De Castro
UA3CR Leonid Labutin
* FEEDBACK WELCOMED *
=====================
Feedback regarding DIGIMOON may be directed to the editor using any one of the
following paths:
PACKET : LU7AKC @ LU7AKC.#COL.CF.ARG.SOAM
SATELLITE: LU7AKC @ LU8DYF
MAIL : Eduardo Sweet, LU7AKC
DIGIMOON Project
Ramon Freire 487,
Buenos Aires, (1426),
Argentina,
South America.
[ HAPPY NEW YEAR ! and 73's de Eduardo Sweet - Project manager. ]
Bulletin ID: PRODM008.92
HR LU7AKC DIGIMOON PROJECT BULLETIN PRODM008 FROM LU7AKC @ LU7AKC.CF.ARG.SOAM
BUENOS AIRES, ARGENTINA MARCH 17, 1992
TO: AMSAT (Worldwide) & ALL RADIO AMATEURS
"Project Artemis"
=================
While an amateur spacecraft to fly to the moon with the DigiMoon device is
out of the question, riding on a US, European, Soviet, or Japanese lunar
lander is possible. In fact, NASA is conducting studies right now for
"Project Artemis," a small, low-cost (in relative terms) lunar lander to be
launched in 1995 or 96.
I'm a professor of Aerospace Engineering and my area of specialty is
spacecraft design. In my senior design course right now, I have two groups
of students working on lunar landers along the lines of the NASA Artemis
proposal. I suggested to the students that they include some sort of
amateur radio payload, but they did not include one. Still, their work can
be useful as a reference in the future. I will be glad to send you a copy
of each final report at the end of the semester if you are interested.
The two-week long lunar night poses difficult design challenges for both the
electrical power and thermal control subsystems. Even if DigiMoon was a
separate payload in its own container, it would have to be designed to
withstand the very cold temperatures of the lunar night. Solar power works
well for the lunar day, but not for the night.
Pointing and zooming a camera would be pretty difficult.
Let me know if I can help. The best way to reach me will be by packet
through a satellite gateway. Good luck!
73, Walt (N3KVQ@KA3RFE.MD.USA.NA)
* WELCOME ABOARD *
==================
N3KVQ Walt, N7JBO John, LU7DTK Jorge.
* THANKS! *
===========
Thanks to all those who sent feedback to and/or helped the DIGIMOON project,
specially:
G3RUH James Miller
KD2BD John A. Maglicane & *SpaceNews*
KP4EHE Manuel Marrero
LU1BOR Federico
LU1COC Alberto Ibertis
LU2BDT Mario Ibertis Rivera
LU3AGJ Juan Giometti
LU4AEY Claudio Marco Zanella
LU4AIW Eduardo Giacchino
LU4DGN Carlos Farenga
LU7DTK Jorge
LU8DYF Norberto Pennini
N3KVQ Walt
N7JBO John
PY2BJO Junior De Castro
UA3CR Leonid Labutin
* FEEDBACK WELCOMED *
=====================
Feedback regarding DIGIMOON may be directed to the editor using any one of the
following paths:
PACKET : LU7AKC @ LU7AKC.#COL.CF.ARG.SOAM
SATELLITE: LU7AKC @ LU8DYF (or any packet SATellite GATEway)
MAIL : Eduardo Sweet, LU7AKC
DIGIMOON Project
Ramon Freire 487,
Buenos Aires, (1426),
Argentina,
South America.
[ 73's & QRV de Eduardo Sweet - Project manager. ]
NCARC PBBS