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Difference between revisions of "Yosemite National Park (CA)"

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(→‎Tones: Updated tones for law enforcement net based on field reconnaissance conducted 9/7/15)
(→‎Channels: Major rewrite of channel table to reflect information gathered on a park reconnaissance 9/7/15. Eliminated redundant multiple frequency entries for each repeater)
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{| border="4" cellpadding="4" cellspacing="0" style="margin: 1em 1em 1em 0; background: #f9f9f9; border: 2px #777777 solid; border-collapse: collapse;" class="wikitable sortable"
 
|+ '''YNP Radio Channels'''
 
|+ '''YNP Radio Channels'''
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|Channel #||Rx Freq||Rx Tone||Tx Freq||Tx Tone||Description||Notes
+
|Channel #||Tone(s)||Rx Freq||Tx Freq||Alpha Tag||Description||Notes
 
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|-
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|01||172.7750|| ||172.7750|| ||Fire Net - Local||
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|01|| ||172.7750||172.7750||YNP1 FireDir||Yosemite NP CH1 Fire Net Direct||
 
|-
 
|-
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|02||172.7750||110.9||166.3625||110.9||Fire Net - Crane Flat Repeater||
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|02||1-5,7||172.2250||166.3625||YNP2 FireRpt||Yosemite NP CH2 Fire Net Repeater||
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|-
 
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|02||172.7750||123.0||166.3625||123.0||Fire Net - Signal Peak Repeater||
 
−
|-
 
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|02||172.7750||131.8||166.3625||131.8||Fire Net - Mount Hoffman Repeater||
 
−
|-
 
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|02||172.7750||136.5||166.3625||136.5||Fire Net - North Mountain Repeater||
 
−
|-
 
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|02||172.7750||146.2||166.3625||146.2||Fire Net - Sentinel Dome Repeater||
 
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|-
 
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|02||172.2250||167.9||166.3625||146.2||Fire Net - Henness Ridge Repeater||
 
 
|-
 
|-
 
|03||||||||||Old Fire Net||Not being used in 2015
 
|03||||||||||Old Fire Net||Not being used in 2015
 
|-
 
|-
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|04||168.5625|| ||168.5625|| ||YNP Air-to-Ground||(1)
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|04|| ||168.5625||168.5625||YNP4 Air-Grnd||Yosemite NP CH4 Air-to-Ground||(1)
 
|-
 
|-
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|05||172.6500|| ||172.6500|| ||Park Net - Parkwide - Local||
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|05|| ||172.6500||172.6500||YNP5 ParkDir||Yosemite NP CH5 Park Net Direct||
 
|-
 
|-
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|06||172.6500||131.8||171.6500||131.8||Park Net - Mount Hoffman Repeater||
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|06||3||172.6500||171.6500||YNP6 ParkRpt||Yosemite NP CH6 Park Net Mt. Hoffman Repeater||
 
|-
 
|-
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|07||172.6500||110.9||172.0250||110.9||Park Net - Crane Flat Repeater||
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|07||1,2||172.6500||172.0250||YNP7 ParkRpt||Yosemite NP CH7 Park Net Repeater||
 
|-
 
|-
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|07||172.6500||123.0||172.0250||123.0||Park Net - Wawona Repeater||
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|08|| ||166.3000||166.3000||YNP8 VllyDir||Yosemite NP CH8 Valley Net Direct||
 
|-
 
|-
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|08||166.3000|| ||166.3000|| ||Valley Net - Local||
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|09||1,2||166.3000||164.4250||YNP9 VllyRpt||Yosemite NP CH9 Valley Net Repeater||
 
|-
 
|-
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|09||166.3000||110.9||164.4250||110.9||Valley Net -Turtle Back Dome Repeater||
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|10|| ||166.8500||166.8500||YNP10 LE Dir||Yosemite NP CH10 Law Enforcement Net Direct||
 
|-
 
|-
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|09||166.3000||123.0||164.4250||123.0||Valley Net - Sentinel Dome Repeater||
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|11||1-3,6||166.8500||171.8250||YNP11 LE Rpt||Yosemite NP CH11 Law Enforcement Repeater||
 
|-
 
|-
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|10||166.8500|| ||166.8500||||Law Enforcement Net - Local||
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|12|| ||168.3500||168.3500||YNP12 Common||Yosemite NP CH12 Common Net||(2)
 
|-
 
|-
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|11||166.8500||(2)||(2)||(2)||Law Enforcement - Repeaters||
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|13|| ||163.7125||163.7125||YNP13 Tac1||Yosemite NP CH13 Tac 1||(2)
 
|-
 
|-
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|12||168.3500|| ||168.3500|| ||YNP Common Net||(3)
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|14|| ||168.6125||168.6125||YNP14 Tac2||Yosemite NP CH14 Tac 2||(2)
 
|-
 
|-
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|13||163.7125|| ||163.7125|| ||YNP Tac 1||(3)
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|15|| ||163.7125||163.7125||YNP15 Tac1||Yosemite NP CH15 Tac 1 Digital?||(2) (3)
 
|-
 
|-
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|14||168.6125|| ||168.6125|| ||YNP Tac 2||(3)
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|16|| ||168.6125||168.6125||YNP16 Tac2||Yosemite NP CH16 Tac 2 Digital?||(2) (3)
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|-
 
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|15||163.7125|| ||163.7125|| ||YNP Tac 1||(3) (4)
 
−
|-
 
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|16||168.6125|| ||163.7125|| ||YNP Tac 2||(3) (4)
 
 
|-
 
|-
 +
 
|}
 
|}
  
  
−
(1)  The park's air to ground frequency is also National Air to Ground 55.  There is no record of it being used anywhere in the country.  It might be used as an air to ground on extended attack incidents after assigned by NIFC, which cannot assign it in a wide area around Yosemite NP as it has been assigned to this park. 
+
(1)  The park's air to ground frequency is also designated National Air to Ground 55.  There is no record of AG 55 being assigned to any dispatch zone in the country.  On a case by case basis, NIFC can assign it to extended attack incidents, but cannot do so if interference to Yosemite NP will result.  
−
 
 
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(2)  This information is not provided in interagency frequency directories.  
 
  
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(3)  The last three frequencies (in Channels 12 - 16) are federal government nationwide itinerant frequencies that can be used by any agency at any time and location.  Agencies do not have exclusive use of them.  They are commonly used as tactical frequencies in National Parks, especially 168.6125.
+
(2)  The last three frequencies (in Channels 12 - 16) are federal government nationwide lower power itinerant frequencies that can be used by any federal agency at any time and location.  Agencies do not have exclusive use of them.  They are commonly used as tactical frequencies in National Parks, especially 168.6125.
  
−
(4)  It is believed that Channels 15 and 16 may be programmed for digital operation.  This is yet to be confirmed.  This is our best conjecture given these channels are duplicates of Channels 13 and 14.
+
(3)  It is believed that Channels 15 and 16 may be programmed for digital operation.  This is yet to be confirmed.  This is our best conjecture given these channels are duplicates of Channels 13 and 14.
  
 
===Tones===
 
===Tones===

Revision as of 23:40, 8 September 2015


Yosemite dispatch is located in the town of El Portal (pronounced el POOR tal) just off of highway 140. Dispatch is called "Yosemite."

Yosemite Fire Dispatch is called "Yosemite Fire."


Channels

YNP Radio Channels
Channel # Tone(s) Rx Freq Tx Freq Alpha Tag Description Notes
01 172.7750 172.7750 YNP1 FireDir Yosemite NP CH1 Fire Net Direct
02 1-5,7 172.2250 166.3625 YNP2 FireRpt Yosemite NP CH2 Fire Net Repeater
03 Old Fire Net Not being used in 2015
04 168.5625 168.5625 YNP4 Air-Grnd Yosemite NP CH4 Air-to-Ground (1)
05 172.6500 172.6500 YNP5 ParkDir Yosemite NP CH5 Park Net Direct
06 3 172.6500 171.6500 YNP6 ParkRpt Yosemite NP CH6 Park Net Mt. Hoffman Repeater
07 1,2 172.6500 172.0250 YNP7 ParkRpt Yosemite NP CH7 Park Net Repeater
08 166.3000 166.3000 YNP8 VllyDir Yosemite NP CH8 Valley Net Direct
09 1,2 166.3000 164.4250 YNP9 VllyRpt Yosemite NP CH9 Valley Net Repeater
10 166.8500 166.8500 YNP10 LE Dir Yosemite NP CH10 Law Enforcement Net Direct
11 1-3,6 166.8500 171.8250 YNP11 LE Rpt Yosemite NP CH11 Law Enforcement Repeater
12 168.3500 168.3500 YNP12 Common Yosemite NP CH12 Common Net (2)
13 163.7125 163.7125 YNP13 Tac1 Yosemite NP CH13 Tac 1 (2)
14 168.6125 168.6125 YNP14 Tac2 Yosemite NP CH14 Tac 2 (2)
15 163.7125 163.7125 YNP15 Tac1 Yosemite NP CH15 Tac 1 Digital? (2) (3)
16 168.6125 168.6125 YNP16 Tac2 Yosemite NP CH16 Tac 2 Digital? (2) (3)


(1) The park's air to ground frequency is also designated National Air to Ground 55. There is no record of AG 55 being assigned to any dispatch zone in the country. On a case by case basis, NIFC can assign it to extended attack incidents, but cannot do so if interference to Yosemite NP will result.

(2) The last three frequencies (in Channels 12 - 16) are federal government nationwide lower power itinerant frequencies that can be used by any federal agency at any time and location. Agencies do not have exclusive use of them. They are commonly used as tactical frequencies in National Parks, especially 168.6125.

(3) It is believed that Channels 15 and 16 may be programmed for digital operation. This is yet to be confirmed. This is our best conjecture given these channels are duplicates of Channels 13 and 14.

Tones

YNP Repeater Tones
Tone # Site Tone Frequency Use on YNP Channel
1 Crane Flat 110.9 2, 7
1 Turtleback 110.9 9, 11
2 Signal Peak 123.0 2
2 Wawona 123.0 7, 11
2 Sentinel Dome 123.0 9
3 Mount Hoffman 131.8 2, 6, 11
4 North Mountain 136.5 2
5 Sentinel Dome 146.2 2
6 Sentinel Dome 156.7 11
7 Henness Ridge 167.9 2


Repeaters transmit the input tone on the output frequency.

Related Links

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