[amsat-bb] Re: A Proposal for ARISS
kq6ea at verizon.net
Fri Jul 1 15:23:19 PDT 2011
That's one of those stunningly simple "Why haven't we already done it?"
type of ideas.
I'd GLADLY support a project like this with money.
On 07/01/2011 08:54 PM, Edward R. Cole wrote:
> After posting some thoughts a few days ago (RE: ISS, what the heck
> happened?), I have given the idea more consideration.
> Proposal (ARISS on ISS):
> 1) Install a 100-KHz transponder unit on ISS, with usual digital
> 2) It would run mode-UV
> 3) Installed internally in the ISS
> 4) Replace most of the current ISS ham radio equipment
> 5) Could be considered an upgrade/improvement to the existing ham radio on ISS
> 6) Use ISS power and existing ham radio antenna infrastructure (no
> solar panels)(no thermal requirements for space environ)(perhaps less
> radiation hardening)
> 7) Use batteries for stand-alone operation (recharged from ISS power)
> 8) Control commanded from ground (no intervention required by astronauts)
> 9) Local access for use of astronaut-hams
> 10) Provide emergency back-up comms for ISS (perhaps with a separate
> FM channel)
> 11) (perhaps) Use of existing ham-radio handheld on ISS on low-power
> to dedicated receiver which would activate astronaut repeater channel.
> 12) This FM channel could be used as FM ham repeater when not in use
> by astronauts (means world-wide monitoring for the astronauts as
> well as normal Leo FM activity)
> 13) Modular design for future upgrades and/or repair (easy
> installation by astronauts-plug*n*play)
> 14) Segmented pass-band to allow packet/APRS digipeating
> 15) Transmitters able to be shut down for eva and other critical
> missions either locally on ISS or from ground.
> 16) Perhaps a special Rx/Tx on ISS eva channel for cross-band repeat
> in event of loss of atmosphere emergency (help to sell the concept to
> NASA as a comms back-up).
> 17) No need for orientation (spin or de-spin), rad hardening,
> thermal structures (air-cooled), no propulsion, no launch requirements.
> 18) Easily maintained by supply from ground (repairs or upgrades).
> 19) Long-Life
> Re-direct of either Fox or P3E efforts? (no launch requirement-rides
> as cargo to ISS)
> 73, Ed - KL7UW, WD2XSH/45
> BP40IQ 500 KHz - 10-GHz www.kl7uw.com
> EME: 50-1.1kw?, 144-1.4kw, 432-100w, 1296-60w, 3400-?
> DUBUS Magazine USA Rep dubususa at gmail.com
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