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Wednesday, August 27th

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Breaking News: Napa Earthquake; Lodge Lightning Complex Fire

Sunday morning earthquake (Updated at 7:20am Tuesday August 26): According to the USGS, an earthquake and several aftershocks were recorded this morning. The original quake at 3:20am Sunday morning was measured at 6.0 and was centered near American Canyon. Three aftershocks were recorded near Napa: at 5:01am (2.5), at 5:47am (3.6), and 7:22am (2.5); two more near American Canyon at 7:54am (2.8), and 10:38am (2.6).

KQED reports the following information:
A 6.0-magnitude earthquake epicentered at the southern edge of Napa struck at Sunday morning at 3:20 a.m.
• The quake is the strongest to strike the Bay Area since the 6.9 Loma Prieta quake of Oct. 17, 1989.
• Napa’s Queen of the Valley Hospital reports treating 208 people between the time the earthquake struck at 3:20 a.m. and 11 p.m. Sunday. The hospital says a total of 17 people were admitted, most in fair to serious condition. One person remains in critical condition. Vallejo is reporting 25 minor injuries.
• The city of Napa has reported 33 buildings have been deemed unsafe. Officials in Vallejo have closed a two-block stretch of one of the city’s principal streets because of concerns that a church bell tower could collapse, and Napa’s school district announced that schools will remain closed Tuesday and possibly beyond. KQED’s Craig Miller reports that Vallejo’s First Baptist Church, at the corner of Carolina Street and Sonoma Boulevard, has been red-tagged. Among the church’s structural concerns: that the bell tower has been weakened to the point where it might collapse. This fear has prompted officials to close Sonoma Boulevard, which is also Highway 29, for two blocks on either side of the church. The closure also affects Lincoln Elementary School, immediately across the street from First Baptist.
• Napa officials updated the number of buildings red-tagged there to 64. Among the buildings shut down is the city’s historic courthouse building, and county officials announced today that the building will be closed indefinitely as it undergoes structural analysis. Several other major public buildings, including the Napa County Administration Building, were closed Monday.
• The Napa Valley Unified School District announced schools across the city will remain closed Tuesday as staff cleans up after the quake. The district will make a decision Tuesday about whether the closure will be extended.
• The Napa Fire Department reported Monday it responded to 50 fires after the quake, including one in a mobile home park that destroyed four units and damaged several others. Fire officials said an initial lack of water due to water-main breaks led to some of the destruction.
• Napa’s water system is undergoing repairs after suffering 60 water-main breaks. Officials say that some residents will lose water service during repairs and are advising affected residents to use boiled or bottled water until further notice.

Additional detailed information can be found at KQED's website: KQED reports.

Lodge Fire: The fire status has not been updated by Cal Fire since Wednesday evening. It appears that there will be no additional updates until/unless there is a significant change in the status. KZYX will monitor Cal Fire and other fire, police, and safety sources and advise if needed. At last report the fire had consumed 12,535 acres and was 96% contained.

Signal Problems on 91.5

Posted by John Coate
John Coate
I am the General Manager of KZYX and the Executive Director of Mendocino County Public Broadcasting. You can ...
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on Wednesday, 14 May 2014 in Station Business

We now believe that the problem lies in the signal that is sent from the Cold Springs tower over to the Laughlin tower.  The strength of that signal is not strong enough to overcome whatever is interfering with it.  We do see that a lot of antennas have been recently hung right next to our STL antenna at Cold Springs and the could be interfering.  And we are going to try to climb up to that antenna and inspect the cable going into it.  It is weird that this problem mainly shows up around 4 PM in the afternoon.  Something that interferes seems to get turned on right around then.  But our own equipment should be able to withstand it.  So it is a problem that has not been fixed yet.  If we can't solve it with these simple fixes, then we are going to have to hire tower climbers who take signal analyzers up and put them in line to assess it.  this is expensive and has to be done while the signal is turned off.  We hope it doersn't come to this, but we have to do what it takes to solve it.

Big stations get around this sort of thing by having entire alternate STL sets with separate antennas operating on different licensed frequencies feeding into alternate STL units.  the only way to guarantee uptime is to have full redundancy along the entire path of the radio signal chain.  KZYX and KZYZ has never had that.  We know that we need it and we are paying the price for it now.  It was a big and long term mistake for this organization to not build this as it went along.  We have to correct this and we will correct it.  But it will take time and money.  There is no other way.

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I am the General Manager of KZYX and the Executive Director of Mendocino County Public Broadcasting. You can contact me directy at gm@kzyx.org See my website cervisa.com for more about me and where I have been.

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