[OZAPRS] Proposed digi for Mt Nardi
Steve Sharp
sharpst at gmail.com
Fri Aug 13 14:53:50 EST 2010
Looks like VK2RPL-1 one it is!
On 11 September 2010 18:43, Dick Van Beek <vk7dik at gmail.com> wrote:
>
> Yeah.... Isn't -1 used for fill in digi's?
>
> Cheers, Dick.
> VK7DIK.
>
>
>
>
>
>
>
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>
> *-------Original Message-------*
>
> *From:* Gordon Taylor <gordon.t at internode.on.net>
> *Date:* 8/11/2010 5:46:43 PM
> *To:* 'Australian APRS Users' <ozaprs at aprs.net.au>
> *Subject:* Re: [OZAPRS] Proposed digi for Mt Nardi
>
>
> Steve,
>
> I would use -3 as thats what most up here use
>
>
>
> *Regards,
> Gordo VK4VP*
>
>
>
> *From:* ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] *On
> Behalf Of *Steve Sharp
> *Sent:* Wednesday, 11 August 2010 17:17
> *To:* Australian APRS Users
> *Subject:* Re: [OZAPRS] Proposed digi for Mt Nardi
>
>
>
> That's what I thought - but when I looked up the aprs.net.au site
> http://aprs.net.au/general/standard-ssids it gives -1 "Digipeater, or Home
> Station running a Fill-In Digi" and -3 as "Digipeater".
>
>
>
> Not quite enough info for me to differentiate;-)
>
>
>
> Steve 2poo (not really Shakespeare is it?;-)
>
> On 11 August 2010 16:41, Ray Wells <vk2tv at exemail.com.au> wrote:
>
> Steve,
>
> SSID -1 is generally used for digi's
>
> Ray vk2tv
>
>
>
> On 11/08/10 12:20, Steve Sharp wrote:
>
> G'day Ray - all looking good, one final question should the SSID be
> VK2RPL-1 or -3?
>
>
>
> I'm leaning towards -1, but am happy to be corrected before it is written
> in and sent on it's way;-)
>
>
>
> Steve VK2POO
>
> On 10 August 2010 13:59, Ray Wells <vk2tv at exemail.com.au> wrote:
>
> Steve,
>
> 83m is 272 ft, close enough to the 300 I guessed.
>
> 800m is a tad higher than what SPLAT! (and Google earth) thinks it is but
> still close enough, especially given the step sizes available for HAAT and
> Power.
>
> HAAT - Height Above Average Terrain
>
> Pick 0dB gain and the nearest height and you won't be too far off. It's
> only a guide.
>
> Ray vk2tv
>
>
>
> On 10/08/10 09:27, Steve Sharp wrote:
>
> The tech got back to me with the following:
>
>
>
> "Antenna Gain is going to be 3db to start with but then unity when we get
> around to putting the 2m repeater up there , HAAT not
> sure what it means but antenna hight is 83m above ground or 883m above sea
> level"
>
>
>
> Sound about right?
>
>
>
> Steve VK2POO
>
> On 10 August 2010 07:48, Ray Wells <vk2tv at exemail.com.au> wrote:
>
> Hi Steve,
>
> From SPLAT!, the pgrogram that produced the plots, HAAT is 2073.38 ft. I
> guessed an antenna height of 300 ft when I did the plots. Take the
> difference between 300 and the "real" antenna height and add/subtract from
> 2073 and you'll have your figure.
>
>
>
> Typical antennas gains are
> 1. dipole - probably 1dB in some direction, depending on distance from
> support mast
> 2. 2 x dipole - 3dB
> 3. 4 x dipole - 6dB
> 4. double extended Zepp (each dipole half = 5/8) 3dB
> 5. 3 halfwaves in phase = 3dB
>
> An error of 1-2dB in your "guess" will be mostly insignificant on the
> radius of the resulting coverage circle.
>
> Cheers ... Ray
>
>
> --==[ SPLAT! v1.2.1 Site Analysis Report For: Nardi ]==--
>
> ---------------------------------------------------------------------------
>
> Site location: 28.5447 South / 206.7138 West (-28� 32' 40" S / 206� 42'
> 49" W)
> Ground elevation: 2608.27 feet AMSL
> Antenna height: 300.00 feet AGL / 2908.27 feet AMSL
> Antenna height above average terrain: 2073.38 feet
>
> Average terrain at 0 degrees azimuth: 689.75 feet AMSL
> Average terrain at 45 degrees azimuth: 756.54 feet AMSL
> Average terrain at 90 degrees azimuth: 1060.91 feet AMSL
> Average terrain at 135 degrees azimuth: 1151.16 feet AMSL
> Average terrain at 180 degrees azimuth: 686.42 feet AMSL
> Average terrain at 225 degrees azimuth: 585.24 feet AMSL
> Average terrain at 270 degrees azimuth: 919.58 feet AMSL
> Average terrain at 315 degrees azimuth: 829.48 feet AMSL
>
> ---------------------------------------------------------------------------
>
>
>
> On 09/08/10 18:28, Steve Sharp wrote:
>
> G'day Ray - project is on the move again - the GM300 has been repaired and
> aligned and I have taken a look at the digi_ned link you sent regarding PHG
> and I'm sure we can add it as soon as the tech tells me the HAAT and gain of
> the antenna.
>
> At this stage I have to program up the Foxdigi witht he site info and post
> it away to the installer who will get it up on Nardi next time he is workign
> at the site.
>
>
>
> Hopefully this'll kick interest along and we'll get some others up in the
> months to follow.....
>
>
>
> 73 de Steve VK2POO
>
> On 23 July 2010 13:36, Ray Wells <vk2tv at exemail.com.au> wrote:
>
> Hi Steve,
>
> PHG is (P)ower, (H)eight, (G)ain and is sent in a beacon as in this UIDigi
> example from VK2RMC-1. Software that handles PHG will display a coverage
> circle around the digi site based of the information transmitted by the
> digi.
>
> Beacon1Text = !3056.77SS15243.92E#PHG5513/ Kempsey, NSW
>
> Beacon2Text = !3056.77SS15243.92E#PHG5513/ Kempsey, NSW
>
> Beacon3Text = :146.875- *111111z3048.00S/15255.00Er R50k
>
>
> The 5513 says
> 5 25W
> 5 antenna 320 feet above average terrain
> 1 1dB antenna gain
> 3 pattern offset towards 135 degrees.
>
> Take a look here for further explanation
>
> http://digined.pe1mew.nl/?How_to:Calculate_PHG_information
>
> The extra S after Latitude causes a green star with the letter S to be
> displayed as the digi icon.
>
> Beacons 1 and 2 are identical except for the path. Beacon 1 has no path set
> so it is not transmitted beyond the local digi. Beacons 2 and 3 have a path
> of WIDE2-2 so that the beacon will be digied over two hops.
>
> Beacon 3 is reporting the frequency and offset (146.875-), time, location
> and range of the local voice repeater. The series of 1's indicates that time
> is not set
>
> Howzat?
>
> Ray vk2tv
>
>
>
> On 23/07/10 12:53, Steve Sharp wrote:
>
> G'day Ray - Ok, I said I was new, so what is PHG apart from a TLA?
>
>
>
> Steve
>
> On 23 July 2010 12:45, Ray Wells <vk2tv at exemail.com.au> wrote:
>
> Steve,
>
> Wow! Nardi is a great site and will provide good coverage of northern vk2.
>
> Just a suggestion, can you include PHG in your beacon for PHG circle
> display?
>
> Well done.
>
> Regards, Ray
>
>
>
>
> On 23/07/10 12:12, Steve Sharp wrote:
>
> I'm building up a digi for the Summerland club who are going to place it on
> Mt Nardi. http://tinyurl.com/Mt-Nardi
>
>
>
> Now I'm the first to put my hand up and say I'll have a go - but sadly my
> skill set is a little light so I thought it best to get some feedback from
> people who have more experience in this field and hopefully get it right the
> first time;-)
>
>
>
> I'm using a foxdigi and seem to be getting the desired effect and it is
> repeating (most) of the packets it receives from VK4RGC-3.
>
>
>
> I have configured it thus, but not sure that I have the optimum
> settings yet....(obviously MYCALL and the BTEXT location will be changed for
> it's installation site)
>
>
>
> ECHO ON
> TXDELAY 64
> GPS $GPGGA
> TRace OFF
> MONitor ALL
> DIGIpeater ON
> BEACON On EVERY 30
> UNPROTO WIDE1-1 V WIDE2-2
> MYCALL VK2POO-3
> MYALIAS WIDE2-1
> BTEXT !2814.23s/15330.09e#/FoxDigi Testing for SARC
>
>
>
> Any tweaks?
>
>
>
> 73 Steve VK2POO
>
>
>
>
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