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Lower Colorado River Authority (LCRA) P25


The San Antonio Urban Area Initiative Wide Area Communications Network began coming online in Central Texas in January 2010. This is suspected as the LCRA 700MHz Overlay, to complete an interoperability project between many P25 trunked radio systems throughout Texas.

On June 2, 2010, cross-band testing was being conducted between talkgroup 1001 of this system and LCRA 900MHz EDACS talkgroup 321- LCRA East Comm- on Sites 101 and 102, suspected to be in Austin and Hays County respectively. Voice traffic has also been confirmed on Sites 103 and 105 as of June 15th, 2010.

On December 21, 2010, confirmed several sites that match LCRA existing sites. Confident that this is the LCRA 700MHz overlay, 13 sites have been reported, the same that LCRA claims to be completed in the Texas SCIP Implementation report dated July 2009 found here on page 14.

Contents

Site Notes

Site 101: (North Austin)

SiteNameFreqs    
001 (1) Austin769.443750c 769.906250c 770.193750 770.656250c 770.943750

 Peers
 Site 102 (Creedmoor)
 Site 104 (San Marcos)
 Site 113 (Elgin)

This site is in north Austin, very strong signal with 20db attenuation at 183 and Loop 360. Signal drops quickly to the south along 183 and along 360. Site is definately not at antenna hill in Westlake.

Found this site at the JJ Pickle facility at Braker and Burnet

Site 102: (Creedmoor)

SiteNameFreqs    
002 (2) Creedmoor773.056250c 773.343750 773.806250a 774.093750 774.556250a

 Peers
 Site 101 (North Austin)
 Site 104 (San Marcos)
 Site 107 (Kingsbury)
 Site 113 (Elgin)

Site 103: (New Braunfels)

SiteNameFreqs       
003 (3) New Braunfels769.206250 769.668750a 769.956250 770.418750a 770.706250a 771.131250c 772.206250a 772.731250

 Peers
 Site 104 (San Marcos)
 Site 107 (Kingsbury)

Confirm in New Braunfels-Myles

Site 104: (San Marcos)

SiteNameFreqs    
004 (4) San Marcos773.293750c 773.581250a 774.043750c 774.331250 774.793750

 Peers
 Site 102 (Creedmoor)
 Site 103 (New Braunfels)
 Site 107 (Kingsbury)

this site was weak driving by Kingsbury LCRA site. Could this be East of SAT and South of Seguin?-Myles

Confirmed this site is San Marcos

Site 105: (Flatonia)

SiteNameFreqs  
005 (5) Flatonia769.206250c 769.956250c 770.706250c

 Peers
 Site 106 (Gonzales)
 Site 110 (Possible Columbus)
 Site 111 (Possible Lagrange)

Found a site 105 using 769.95625 on the Flatonia LCRA tower. Think these 2 reported control channels are not correct for this site #-Myles

Confirmed this site is in Flatonia

Site 106: (Gonzales)

SiteNameFreqs  
006 (6) Gonzales769.193750c 769.943750a 770.693750a

 Peers
 Site 105 (Flatonia)
 Site 113 (Elgin)
 Site 107 (Kingsbury)

try Smithville LCRA site-Myles

Confirmed as Gonzales 12-21-10

Site 107: (Kingsbury)

SiteNameFreqs  
007 (7) Kingsbury773.093750c 773.843750a 774.593750a

 Peers
 Site 102 (Creedmoor)
 Site 103 (New Braunfels)
 Site 104 (San Marcos)
 Site 106 (Gonzales)

Reception Report: strong reception signal near 1604 & IH10 East Reception Report: strong signal in San Marcos

Picked up strong in Seguin area, readable in New Braunfels, very weak at San Marcos outlets. Wonder if this could be at Comal Co LCRA site?-Myles

Confirmed as Kingsbury 12-21-10

Site 108: (unknown location)

SiteNameFreqs  
008 (8) Peters773.306250c 774.056250c 774.806250c

 Peers
 unknown at this time

Site 109: (suspected to be in Bay City)

SiteNameFreqs 
009 (9) Bay City770.168750c 770.918750c

 Peers
 unknown at this time

Site 110: (Possible Columbus)

SiteNameFreqs  
010 (A) Columbus773.081250c 773.831250c 774.581250c

 Peers
 unknown at this time

had decent signal on this in Columbus area on 774.58125-Myles

Site 111: (suspected to be in Lagrange)

SiteNameFreqs  
011 (B) La Grange769.456250c 770.206250c 770.956250c

 Peers
 Site 105 (Flatonia)
 Site 108 (Unknown)
 Site 110 (Possible Columbus)
 Site 113 (Elgin)

Didn't get very strong in Columbus area but got better around Schulenburg. Suspect Schulenburg or possibly La Grange.-Myles

Signal weaker closer to IH10 from Smithville, I belive this is Lagrange.

Site 112: (suspected to be in Pierce)

SiteNameFreqs  
012 (C) Pierce769.456250c 770.206250c 770.956250c

 Peers
 Site 108
 Site 109 (suspected to be in Bay City)
 Site 110 (Possible Columbus)
 Site 111 (suspected to be in Lagrange)

Site 113: (Elgin)

SiteNameFreqs  
013 (D) Bastrop769.468750c 770.218750c 770.968750c

 Peers
 102 (Creedmoor)
 106 (Gonzales)
 111 (suspected to be in Lagrange)

Site neighbors indicate east of Austin along 290 or 71 Weak signal from Austin, Caldwell County and Smithville, Signal lost further south/west from above locations.

Traveled Hwy 45 and 130, strong signal on 45 from IH 35 to 130, signal fades in and out south along 130 to FM 969, this picks up strong again to Hwy 71. Need someone in the Elgin area for a signal report.

Site 119 (Live Oak, Bexar Co)

SiteNameFreqs       
019 (13) Live Oak851.325000c 851.825000a 852.587500a 852.887500a 853.112500a 853.337500a 853.562500a 853.675000a
    853.787500a 853.912500a            


 Peers
 103 New Braunfels
 107 Kingsbury
 120 Un-Known

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