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 21 
 on: April 21, 2014, 07:41:43 AM 
Started by av8tor172 - Last post by av8tor172
Looks good. One thing I noticed is the ZUA sites are in the wong location. They're showing up SE of Hawaii. Just by eyeballing it I'd guess the longitudes of th sites were entered as west rather then east.

Thanks and good catch. 

That was the problem....the original data didn't have + or - with the lat/long so of course I assumed - since most are W. 

I made the change in the database and now we have the locations showing up on the correct island. 

The one on Guam I'm not sure how accurate the lat/long is, small island I would have thought the RCAG would be at the airport but the lat/long I have puts it in a forest and by zooming in I can't see anything.  Well, at least it in the correct general area for anyone wanting to know if they have a change at receiving ground side of comms.

Thanks for the correction
George
www.MilAirComms.com

 22 
 on: April 21, 2014, 05:25:58 AM 
Started by av8tor172 - Last post by sykocus
Looks good. One thing I noticed is the ZUA sites are in the wong location. They're showing up SE of Hawaii. Just by eyeballing it I'd guess the longitudes of th sites were entered as west rather then east.

 23 
 on: April 20, 2014, 10:41:52 PM 
Started by av8tor172 - Last post by alphazulu
Thank you George!

 24 
 on: April 20, 2014, 09:01:35 PM 
Started by av8tor172 - Last post by av8tor172
Thanks for the info.  While waiting for the Easter Ham to slow-cook (yummy!) I found some data I could use to generate a map of the ARTCC transmitter locations.

I do not know if its a complete list or not, but there 696 ARTCC transmitter locations listed.  It helped me get a visual idea of locations.

You can see the map here: http://www.milaircomms.com/artcc_transmitter_locations.html

I had people tell me 134.85 / 327.10 were in Daytona, but based on this data (and by personal listening) I don't think that's the case.

Yesterday was the first I've heard ground side of comms on 327.10, it turns out that transmitter is about 100 miles away.  I think I was hearing it due to some good radio conditions on the UHF band, probably a good Tropo opening as that distance is too close for E-skip.  I live about 1,500' from the Atlantic Ocean and its not uncommon for tropo conditions to exist here, I've actually worked many times hams on the 432 MHz band clear up to Canada from Florida on CW and SSB. My personal best on VHF + was 2,000 miles on 144 Mhz but often can work 1000+ miles on that band unless I bounce signals off the moon, have worked stations in Italy several times on 144 MHz via the Moon.

Thanks
George
www.MilAirComms.com

 25 
 on: April 20, 2014, 07:29:47 PM 
Started by av8tor172 - Last post by av8tor172
Thank Ron,
Yes, please any corrections I would like, freqs, locations etc....

The source I used to generate this map is a good source, but not perfect.  Know of a couple frequency errors for ZJX, but the Percent Error of the data is pretty small...

Thanks
George
www.MilAirComms.com

 26 
 on: April 20, 2014, 05:51:28 PM 
Started by av8tor172 - Last post by RonR
Great job George!  If I come across any changes in my area (ZNY, ZDC and ZBW) would you like me to pass it on to you so you can update your site?

Ron

 27 
 on: April 20, 2014, 05:45:56 PM 
Started by av8tor172 - Last post by RonR
Nice catch George!

 28 
 on: April 20, 2014, 02:44:28 PM 
Started by av8tor172 - Last post by av8tor172
I've created an interactive map displaying 696 ARTCC / RCAG (Remote Center Air/Ground) transmitter locations.

The map defaults to view all centers, or you can use the pull down menu and choose just the center you're interested in.

If you click on the transmitter site a window will appear with the frequencies being used at that site.  If you zoom in on the site you should be able to see the antenna farm in most cases.

You can check it out at http://www.milaircomms.com/artcc_transmitter_locations.html

Enjoy,
George
www.MilAirComms.com

 29 
 on: April 20, 2014, 08:30:57 AM 
Started by N737R - Last post by N737R
What happened to the Oshkosh feed it is down?

 30 
 on: April 20, 2014, 03:03:58 AM 
Started by jvnanu - Last post by Unbeliever
They use whatever runway name makes sense.  As a pilot you know (or are supposed to) that they're the same piece of pavement and the runway sign has both numbers on it.

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