KOHI 1600 St Helens

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  • #44637
    Shirley Knott
    Participant

    Fifty Watts days, 5 Watts night on a 120 foot long wire.

    I heard it last night on a drive through Woodland. It was fine on the car radio.

    Link is two pictures from their FCC app that explains the new operation.

    https://licensing.fcc.gov/cdbs/CDBS_Attachment/getattachment.jsp?appn=101815802&qnum=5150&copynum=1&exhcnum=2

    #44638
    RadioWeirdo2020
    Participant

    From Allaccess.com.. two licensees applied for STAs, THE MOUNTAIN BROADCASTING LLC for KOHI-A/ST. HELENS, OR (emergency operation at 50 watts days, 5 watts night after land owner required licensee to dismantle tower) the other station was someone in Tennessee.

    Still, no application for permission to test or move to 1610!

    #44639
    RadioWeirdo2020
    Participant

    There’s already a thread on KOHI here, including discussion of them operating on 1610 without authority to do so

    #44640
    Dan Packard
    Keymaster

    Yes, let’s move these over

    #44650
    semoochie
    Participant

    Here’s the STA filed yesterday. There’s no indication of further correspondence: https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/forms/prod/cdbsmenu.hts?context=25&appn=101815802&formid=911&fac_num=70467

    #44760
    chessyduck
    Participant

    I went back and reviewed the photos from my last St Helens visit… The STA paperwork is well-stated; there is a 20′ – 30′ section of Rohn tower attached to tbe side of the storage shed.. that anchors one side of the long wire. It was surprising to hear KOHI on the Washington side at night but they make it. The temporary site has some uneven terrain and water but hopefully can suffice as a petmanent site… Heck, they could run an open RF feedline from the studio across Pittsburg Road to the tower base.. Radio Andorra ran that configuration at several hundred kilowatts for years and WINB shortwave still carries 50kw to its shortwave rhombic across Windsor Road on telephone pole-like feedlines…just visit Red Lion PA

    #44848
    Andy Brown
    Participant

    “they could run an open RF feedline from the studio across Pittsburg Road to the tower base.”

    I don’t think you can do that legally in Oregon, unless you own the road even if you own the supporting structures on both sides of the road. You might be able to apply for a waiver, but I doubt it. The Oregon PUC rules are on line but they are a massive read.

    Long wire antennae are great for DX reception, but for transmitting it is heavily flawed both technically and with respect to liability issues as it is far more hazardous than a standard tower in several ways.

    Long wire radiation patterns are a little screwy and have directional qualities, which can make it difficult to get required field strength over enough of the COL to be acceptable.

    #49738
    chessyduck
    Participant

    On 1/14/2021 the FCC granted KOHI’s continued use of 50-watts feeding into a long-wire across the street from the KOHI studios

    Here’s what the STA renewal said:

    Exhibit 34 Description: EXTRAORDINARY CIRCUMSTANCES WARRANTING THIS EXTENSION REQUEST

    THE LICENSEE OF KOHI HAS BEEN SEEKING APPROVAL FROM THE CITY FOR THE BUILD OF THE KOHI TOWER ON THE SAME PARCEL OF AVAILABLE PROPERTY FOR WHICH THE STA EQUIPMENT IS OPERATING AT THIS TIME. THE LICENSEE BELIEVES IT HAS BEEN MASSIVELY SLOWED IN THIS PROCESS WITH THE CITY APPROVAL DUE TO THE COVID 19 VIRUS OUTBREAK, BUT DOES EXPECT APPROVAL. THE LICENSEE ANTICIPATES SUBMITTAL OF A 301 MINOR TO THIS NEW LOCATION VERY SHORTLY AFTER CITY GRANT, AND REQUESTS THE FCC PROVIDE GRANT TO THIS EXTENSION REQUEST.

    THE LICENSEE PROVIDES THE FORMER EXHIBITS FROM THE INITIAL STA REQUEST HEREIN.

    ORIGINAL CIRCUMSTANCES WARRANTING THIS STA REQUEST
    THE LAND OWNER HAS REQUIRED THE LICENSEE OF KOHI TO DISASSEMBLE AND REMOVE THE TOWER AND ALL APPARATUS BELONGING TO KOHI. THE LICENSEE REQUESTS THE FCC TO GRANT THIS STA FOR EMERGENCY OPERATIONS UNTIL A BETTER PROPERTY CAN BE LOCATED. KOHI IS TEMPORARILY OPERATING DURING DAYTIME AT 50 WATTS, AND AT NIGHT AT 5 WATTS TO MEET CITY OF LICENSE COVERAGE REQUIREMENTS.

    The filing includes two photos and coverage plots:

    https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/forms/prod/cdbsmenu.hts?context=25&appn=101824380&formid=911&fac_num=70467

    #49802
    stevewa
    Participant

    Marty Rowe, that’s a name I have not heard in a long time. A long time.

    #50594
    chessyduck
    Participant

    I drove by KOHI the other day.. They’re still on the STA longwire and no signs of any tower construction.. Their signaldoes reach Columbia City and covers St Helens proper..

    #50596
    dialtwirler
    Participant

    About a week ago, I could hear KOHI at Hadley’s Landing on Sauvie Island (across the Multnomah Channel from where Cornelius Pass Road intersects Highway 30.)

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