Download - November 27, 2010 Ottawa D-STAR Symposium by The VA3ODG System – What Is Rick Bandla VE3CVG
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November 27, 2010Ottawa D-STAR Symposium
by
The VA3ODG System – What IsThe VA3ODG System – What Is
Rick Bandla VE3CVG
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View from the Roof - NView from the Roof - N
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View from the Roof - EView from the Roof - E
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View from the Roof - SView from the Roof - S
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View from the Roof - WView from the Roof - W
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System Block Diagram - 1System Block Diagram - 1
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System Block Diagram - 2System Block Diagram - 2
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Antennas – VHF UHF and 23cm DVAntennas – VHF UHF and 23cm DV
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Antennas – 23cm High Speed DataAntennas – 23cm High Speed Data
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The Equipment CabinetThe Equipment Cabinet
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VHF DV RepeaterVHF DV Repeater
Standard Icom ID-RP2000V May benefit from internal cable upgrade May benefit from PA to increase power to
100W but maintenance issues increase
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VHF FiltersVHF Filters
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UHF DV RepeaterUHF DV Repeater
Standard Icom ID-RP4000V May benefit from internal cable upgrade May benefit from PA to increase power to
100W but maintenance issues increase
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23cm DV Repeater23cm DV Repeater
Standard Icom ID-RP2V May benefit from internal cable upgrade May benefit from improved receive pre-amp Would benefit from added external filtering
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23cm High Speed Data23cm High Speed Data
Provides 128kb data Standard Icom ID-RP2D (contains ID-1)
This is a simplex function like wi-fi Clear path between antennas is essential Users should use small yagi (vertical) or
helix User should be stationary, mobile doesn’t
really work
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Gateway Computer - SWGateway Computer - SW
OS is CentOS5.4 (linux) Application Software
– Icom G2
– dPlus
– MonLink
– dPlus report
– DPRS
– Icom Apache (httpd)
– Standard Apache (httpd)
– ircDDB
– dextra
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Gateway Computer 1 - HWGateway Computer 1 - HW Shared LCD screen IBM Thinkcenter S50/S51 SFF
– CPU Intel 2.8GHz Pentium 4– Memory 1024MB PC-3200– HDD 80GB SATA– Video On board Intel 82915G– Sound On board Soundmax– USB 8 x USBv2– Optical DVD-ROM– Eth0 On board Gigabit Broadcom– Eth1 add-on 10/100– Serial Com1, Com2– Parallel LPT1
Good machine – may benefit from more memory
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Gateway Computer 2 - HWGateway Computer 2 - HW Backup machine to #1 Shared LCD screen Homebrew Tower w Intel D850 MB
– CPU Intel 1.7GHz Pentium 4 – Memory 512MB– HDD 160GB SATA WD1600JB– Video GeForce MX4000 128Mb 3D– Sound On board – USB 4 x USBv2– Philips CD/DVD R/W– Eth0 On board – Eth1 add-on 10/100– Serial Com1, Com2– Parallel LPT1
Adequate BUT should be replaced with same as machine #1
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Internet Feed(s)Internet Feed(s)
We have 2 internet connections:– RF last mile
Fast down, medium upReasonably reliable but subject to wx conditions
– Hotel feed from YVery fast up and downVery reliableInbound ports are blocked (typical hotel strategy)Possible opportunity
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Internet - Looking to VA3YH from YInternet - Looking to VA3YH from Y
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Internet Dish at VA3YHInternet Dish at VA3YH
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Internet - Installing Dish at VA3YHInternet - Installing Dish at VA3YH
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Internet Dish at the YMCAInternet Dish at the YMCA
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Web PagesWeb Pages
There are many, many informative pages on our own web site– http://www.wc-arc.org/oardg/
– http://www.wc-arc.org/oardg/user/index.html Manuals and tips at http://www.dstar.ca/ http://status.ircddb.net/ for status on ircDDB http://www.ircddb.net/ for info about ircDDB https://www.dutch-star.eu/index.aspx
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The End