[SJRA-Members] New HF satellite coming soon!

[Bob Beyer]

Excellent news! 

Rick,  Do you know when they're hoping to launch?

Bob - KE2D


-----Original Message-----
From: SJRA-Members [mailto:sjra-members-bounces at mailman.qth.net] On Behalf
Of Holden
Sent: Friday, January 27, 2017 3:19 AM
To: Richard Lawn
Cc: SJRA LIST
Subject: Re: [SJRA-Members] New HF satellite coming soon!

Very interesting! Thanks for the news!

Holden Correia-Fisher
KD2JPV

> On Jan 26, 2017, at 10:07 PM, Richard Lawn <rjlawn at gmail.com> wrote:
> 
> I just read the following in the weekly ARRL bulletin in case you 
> missed it. Looks like a return to the early days of amateur satellites 
> is coming where anyone with average HF equipment can access the 
> satellite just like the old days of the RS satellites.
> 
> The US Naval Academy has received IARU satellite frequency 
> coordination for HFsat <http://aprs.org/hfsat.html>, a 1.5 U CubeSat 
> carrying a 15 to 10-meter inverting linear transponder with a 30 kHz 
> bandwidth (uplink 21.4 MHz, downlink 29.42 MHz). The Mode K 
> configuration is reminiscent of the old "RS" series of Russian 
> satellites. The CubeSat will also carry an APRS digipeater on 145.825 
> MHz. The US Naval Academy's Bob Bruninga, WB4APR, said HFsat is 
> designed to demonstrate the viability of HF satellites as a back-up 
> communication system, taking advantage of HF radios found in a typical 
> Amateur Radio installation or frequently used to support disaster and
emergency response communication.
> 
> "HFsat will be gravity gradient-stabilized by its full-sized 10-meter 
> half-wave HF dipole with tip masses," Bruninga explained on the HFsat 
> web page. "HFsat will continue the long tradition of small amateur 
> satellites designed by aerospace students at the US Naval Academy."
> 
> A standardized CubeSat VHF communication card based on the popular 
> Byonics MTT4B all-in-one APRS Tiny-Track4 module for telemetry, 
> command, and control is under development at the Academy. Students are 
> working with Bill Ress, N6GHZ, on the HF transponder card. HFsat's 
> control operator will be Todd Bruner, WB1HAI.
> 
> Bruninga sees a future for Amateur Radio satellites operating on the 
> HF bands. "HFsat will operate under the ITU rules of the Amateur 
> Satellite Service since not only does that service currently have 
> allocations for satellite relay on HF, but it is also the only service 
> with nearly a century of knowledgeable operators' experience with the 
> HF bands under all conditions," Bruninga wrote on the HFsat web page. 
> "Should the system prove viable, and should other services desire to 
> use the transponder technology, then the lengthy process to obtain 
> federal HF [satellite communication] allocations could be considered."
> 
> 
> 73
> 
> Rick, W2JAZ
> --
> Sent from Gmail Mobile
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