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New file uploaded to D-STAR_23cm

 

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File : /High-Speed Digital Data (DD)/Echolink Access Using Two ID-1s.tif
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Description : Echolink Access Using Two ID-1 Transceivers

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New file uploaded to D-STAR_23cm

 

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File : /Antenna Systems/Results of Feedline Effect on VSWR at 23 cm.pdf
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Description : Results of Effect of Feedline Losses on VSWR at 23 cm by KM4ML

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New file uploaded to D-STAR_23cm

 

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Description : Effect of Feedline Losses on VSWR at 23 cm by KM4ML

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New file uploaded to D-STAR_23cm

 

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File : /High-Speed Digital Data (DD)/D-STAR Network Connectivity Testing.pdf
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Description : D-STAR Network Connectivity Testing by Northern Virginia D-STAR Group

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New file uploaded to D-STAR_23cm

 

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File : /High-Speed Digital Data (DD)/D-STAR Links Networking Behavior.pdf
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Description : D-STAR Links Networking Behavior by Northern Virginia D-STAR Group

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New file uploaded to D-STAR_23cm

 

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File : /High-Speed Digital Data (DD)/ID-1 Point-to-Point Connection.pdf
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Description : ID-1 Point-to-Point Connection by Northern Virginia D-STAR Group

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Greetings from Colorado

astrohamman
 

Greetings from the front range of Colorado! The W0CDS D-Star stack is located on Mt. Thorodin northwest of Denver at an elevation of 10,500 feet ASL. The 23cm coverage is quite good in the Denver area, so if you are ever in the area with an ID-1 then you should be able to get into the machine via DV with a whip antenna on the car. There are also many locations in Denver and the immediate suburbs where you can access the internet via the DD mode with just a whip antenna on the car, but that's while parked, of course, not moving.

Some basic observations noted:
- You must have a strong, solid signal between stations in order to make DD mode successful. That doesn't always mean line-of-sight is required. I have established DD mode connections between my car and my house at 10 miles without line-of-sight. I also can establish a DD mode connection between my house and the W0CDS stack at 50 miles without line-of-sight by using a 23 element Yagi at the house.

- Using D-RATS in the DV mode works very well. Since the data channel in DV mode does not provide error correction, again you must have a strong signal between stations in order to achieve a good bit error rate.

- The ID-1 has been a good rugged radio for me. It's an ideal radio for ARES communications due to the data capabilities and the more secure nature of being digital and being on 23cm.

Feel free to connect to port A on W0CDS and give a shout. I often monitor while commuting and at home. I'm always willing to help out with scheduled demos if you need to show your local officials what D-Star can do, or if you just want to try out D-RATS on your ID-1.

73 de Gary, WB5PJB
Castle Rock, CO


New file uploaded to D-STAR_23cm

 

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File : /Digital Voice (DV)/Digital Voice DV Packet Structure.pdf
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Description : D-STAR Digital Voice (DV) Mode Packet Structure by KM4ML

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New file uploaded to D-STAR_23cm

 

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File : /High-Speed Digital Data (DD)/Digital Data DD Packet Structure.pdf
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Description : D-Star Digital Data (DD) Mode Packet Structure by KM4ML

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New file uploaded to D-STAR_23cm

 

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File : /Digital Voice & Data Radios/RC-24 Quick Reference.pdf
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Description : Controlling an ICOM ID-1 with the RC-24 Remote Control Head by KM4ML

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New file uploaded to D-STAR_23cm

 

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File : /Antenna Systems/1.2 GHz Mobile Communications.pdf
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Description : 1.2 GHz Mobile Communications by Ron Hashiro

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New file uploaded to D-STAR_23cm

 

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File : /Antenna Systems/1.2 GHz Gain Antennas.pdf
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Re: Greetings from W9DMD in central Illinois

Mel Whitten
 

开云体育

St Louis (K0MDG) has had data capability just after voice came on line and yes, we can
"surf" the net.? :-)?? A lot of "signal" is needed, however?since receiver sensivitity is way down
compared to?DV.?? If you don't have?LOS, then it may be possible to bounce
sig off of a bldg, tower or ?? ? This is what I do here sometimes (d-star repeater is SE and
I have a good link with a 55 el looper to the SW).? I also have a small looper fixed on
the rptr site but my ant?is too low on the tower and not LOS (works ok when foiliage has dropped
in winter).?
?
Mel, K0PFX
?
?
?

----- Original Message -----
Sent: Wednesday, October 14, 2009 10:08 PM
Subject: Re: [D-STAR_23cm] Greetings from W9DMD in central Illinois

?

Gary -
?
It's good to hear from you.
?
We've had a 23cm Digital Voice repeater & Data Access Point , NS9RC A on the air in the city of Chicago since August 2007.
It's on the 56 floor building 6 miles north of downtown Chicago. There is a 70cm D-DSTAR repeater, NS9RC B at the same site.
?
Some of us with ID-1s have used the digital voice capability, but we haven't used the data access point
and high-speed data capabilities yet.?
?
So I'm looking forward to learn from others on the group about the set-up of the ID-1s high-speed data capability and
the applications being used with high-speed data.
?
73, Mark, WB9QZB
Chicago, IL


From: naicgarysimms net>
To: D-STAR_23cm@yahoogroups.com
Sent: Wed, October 14, 2009 4:59:53 PM
Subject: [D-STAR_23cm] Greetings from W9DMD in central Illinois

?

Just a note to introduce myself.

My name is Gary and the call is W9DMD.

Our local radio club purchased a used-but-never- installed D Star repeater earlier this spring and has installed it atop a grain elevator in Cadwell Illinois, operating under the W9BIL call sign.

We currently have the 440Mhz, mode B link and the gateway working and have procured most of the parts for the 144Mhz, C mode link. We hope to have this operational in a few more weeks at least before winter.

We also have the 1.2Ghz DD & DV repeaters, but are awaiting funds for the antenna and hardline. We hope to have this up by next spring some time. At least we hope to have the DD portion up and running. The 1.2Ghz duplexers seem to run about $1300!

The local club is a progressive group and delights in playing with state of the art radio devices.

Back in the late 1990, we operated an X1J TCP/IP node atop a grain elevator in Bement, IL that served not only as a router for our wide area network, but also as a link into the UIUC Center for Supercomputing for internet access. So looking forward to playing with faster data rates.



New file uploaded to D-STAR_23cm

 

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File : /Applications/D-RATS Brochure.pdf
Uploaded by : wb9qzb_groups <wb9qzb_groups@...>
Description : D-RATS Tool Enabling Low-Speed Data for Chat, & Beacon Messages, Files Transfers, Forms & More

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Re: Greetings from W9DMD in central Illinois

 

Gary -
?
It's good to hear from you.
?
We've had a 23cm Digital Voice repeater & Data Access Point , NS9RC A on the air in the city of Chicago since August 2007.
It's on the 56 floor building 6 miles north of downtown Chicago. There is a 70cm D-DSTAR repeater, NS9RC B at the same site.
?
Some of us with ID-1s have used the digital voice capability, but we haven't used the data access point
and high-speed data capabilities yet.?
?
So I'm looking forward to learn from others on the group about the set-up of the ID-1s high-speed data capability and
the applications being used with high-speed data.
?
73, Mark, WB9QZB
Chicago, IL


From: naicgarysimms
To: D-STAR_23cm@...
Sent: Wed, October 14, 2009 4:59:53 PM
Subject: [D-STAR_23cm] Greetings from W9DMD in central Illinois

?

Just a note to introduce myself.

My name is Gary and the call is W9DMD.

Our local radio club purchased a used-but-never- installed D Star repeater earlier this spring and has installed it atop a grain elevator in Cadwell Illinois, operating under the W9BIL call sign.

We currently have the 440Mhz, mode B link and the gateway working and have procured most of the parts for the 144Mhz, C mode link. We hope to have this operational in a few more weeks at least before winter.

We also have the 1.2Ghz DD & DV repeaters, but are awaiting funds for the antenna and hardline. We hope to have this up by next spring some time. At least we hope to have the DD portion up and running. The 1.2Ghz duplexers seem to run about $1300!

The local club is a progressive group and delights in playing with state of the art radio devices.

Back in the late 1990, we operated an X1J TCP/IP node atop a grain elevator in Bement, IL that served not only as a router for our wide area network, but also as a link into the UIUC Center for Supercomputing for internet access. So looking forward to playing with faster data rates.



New file uploaded to D-STAR_23cm

 

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File : /Applications/Digital Communications at Marine Corp Marathon Part 3.pdf
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Description : Digital Communications at the Marine Corps Marathon Part 3 by N4ZPT

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New file uploaded to D-STAR_23cm

 

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File : /Applications/Digital Communications at Marine Corp Marathon Part 2.pdf
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Description : Digital Communications at the Marine Corps Marathon Part 2 by N4ZPT

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New file uploaded to D-STAR_23cm

 

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File : /Applications/Digital Communications at Marine Corp Marathon Part 1.pdf
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Description : Digital Communications at the Marine Corps Marathon Part 1 by N4ZPT

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New file uploaded to D-STAR_23cm

 

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File : /Applications/D-STAR Twin Cities Marathon.pdf
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Description : D-STAR at Twin Cities Marathon by NY9D

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New file uploaded to D-STAR_23cm

 

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