[amsat-bb] DIWATA 2B

Scott scott23192 at gmail.com
Tue Nov 6 20:08:50 UTC 2018


Nothing heard from it yesterday on a fairly high pass.

Tried both voice & packet on both of the uplink frequencies with no result.

-Scott,  K4KDR


=======================================

-----Original Message----- 
From: Paul Stoetzer
Sent: Tuesday, November 06, 2018 2:55 PM
To: E. Michael McCardel
Cc: AMSAT BB
Subject: Re: [amsat-bb] DIWATA 2B

It's 43678 / 2018-84H. Should be up for you right now, EMike!

73,

Paul, N8HM
On Tue, Nov 6, 2018 at 2:53 PM E.Mike McCardel <mccardelm at gmail.com> wrote:
>
> Frank,
> Do you have Keps?
>
> EMike McCardel, AA8EM
> Senior Editor AMSAT News Service
> Past AMSAT-NA VP Educational Relations
>
>
> > On Nov 6, 2018, at 2:48 PM, E.Mike McCardel <mccardelm at gmail.com> wrote:
> >
> > FYI,
> > The IARU has coordinated these frequencies for Diwata-2:
> > – 145.900 MHz downlink
> > – 437.500 MHz uplink
> >
> > Diwata-2’s Amateur Radio Unit
> > Diwata-2’s Amateur Radio Unit (ARU) operates in two possible modes: FM 
> > voice repeater (FMVR) mode, and APRS-based digital repeater (digipeater) 
> > mode. The uplink and downlink of these modes are implemented at 437.7MHz 
> > and 145.9MHz respectively. The following lists some information that may 
> > be useful when utilizing the radio’s services.
> >
> > Telemetry Formats
> >
> > The Diwata-2 amateur radio unit (ARU) provides telemetry data in two 
> > forms depending on its operational mode: CW (enabled in ARU voice 
> > repeater mode), and FM (enabled in ARU digipeater mode. As the two 
> > operational modes are scheduled according to the day of the week, the 
> > available telemetry differ in format and content correspondingly. This 
> > section explains the data format and specifications for the ARU 
> > telemetry.
> >
> > Continuous-wave telemetry (CW)
> >
> > The CW telemetry is available when the satellite is in voice repeater 
> > mode. The telemetry messages expected from the ARU will be sent every 1 
> > minute, when the ARU is idle, i.e. there are no ongoing voice 
> > operations. This said, the telemetry will not be available when the ARU 
> > is busy, and likewise, the telemetry transmission will be abruptly 
> > aborted when a voice repeating operation starts while in the midst of 
> > telemetry downlink. The data can be received in Morse code format of 120 
> > WPM, at a frequency of 145.9 MHz. The pertinent data format is shown 
> > below, and further explained in the table that follows.
> >
> > From: http://phl-microsat.upd.edu.ph/diwata2
> >
> >
> >
> >
> > EMike McCardel, AA8EM
> > Senior Editor AMSAT News Service
> > Past AMSAT-NA VP Educational Relations
> >
> >
> >> On Nov 6, 2018, at 2:36 PM, Frank G <wa2ndv at gmail.com> wrote:
> >>
> >>
> >> Hello all,
> >>
> >> Has anyone heard this new sat beacon ?
> >>
> >> I get only a few daytime passes a day here on the east coast and have 
> >> not been at the rig during those passes.
> >>
> >>
> >> 73
> >> Frank
> >> WA2NDV 



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