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Part15

Part15

License Free, legal, low-power radio broadcasting

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MRAM

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@mram-radio

Active 6 months, 1 week ago
Professor Psyopsz View
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    MRAM posted an update 9 months, 2 weeks ago

    Professor Psyopsz

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    MRAM and Profile picture of Joe MartinezJoe Martinez are now friends 1 year ago

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    MRAM replied to the topic Oompah Hour #310 in the forum Content / Media 1 year, 1 month ago

    Hey Tim, thanks for the update.

    I’ll get the link onto The ALPB Oompah Hour page right away as well as Oompah Hour 312.

    A link to every Oompah Hour is found at http://thealpb.us/OompahHour.html.

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    MRAM replied to the topic Oompah Hour #310 in the forum Content / Media 1 year, 1 month ago

    What?  No new Oompah Hour this week?

    I’m sure it will be along shortly.  After 310 episodes Tim’s allowed to be late with 1.

    We certainly appreciate Tim putting this show together every week.

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    MRAM posted an update 1 year, 1 month ago

    Enjoying an ice cream sundae after finishing a live show on our LPFM.

  • Profile picture of MRAM

    MRAM posted an update 1 year, 1 month ago

    13560 kHz Beacon On Air

  • Profile picture of MRAM

    MRAM and Profile picture of radio8zradio8z are now friends 1 year, 2 months ago

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    MRAM replied to the topic Information Station Specialists – Bill Baker in the forum General Discussion 1 year, 2 months ago

    I had the pleasure of meeting Bill when he dropped in the check-out our TIS station supplied by ISS.

    Bill got out his Potomac meter and we ran a field strength test to see how the system was performing.

    A very nice gentleman.

    Our station has about the same coverage as described above and has been on air for about 15 years.

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    MRAM replied to the topic Cheap EAS for Hobby Broadcasters in the forum General Discussion 1 year, 4 months ago

    Correct, EAS on Part 15 is not a requirement.

    But some strive for something more than what is currently permitted.  And the hope is that a new low power community broadcast service will be created by meeting specific requirements such as EAS.

    Some feel it’s better to aim high and miss than to aim low and hit…

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    MRAM replied to the topic Cheap EAS for Hobby Broadcasters in the forum General Discussion 1 year, 4 months ago

    The Kenwood is playing out the Bluetooth audio which is your program audio.

    At the same time, the Kenwood’s radio receiver is monitoring a local radio station but not playing it out.

    When an EAS alert is received by the Kenwood radio receiver, the Bluetooth audio is muted and then the local radio station audio would play out.

    When the EAS alert…[Read more]

  • Profile picture of MRAM

    MRAM replied to the topic Cheap EAS for Hobby Broadcasters in the forum General Discussion 1 year, 4 months ago

    If you use an audio compressor/limiter that has “sidechain” input control, you wouldn’t need a VOX switch.

    The sidechain control of the program audio would drop the program audio low enough for the Alert to play over it.

    This could be an even cheaper solution if you already have the sidechain capability.

  • Profile picture of MRAM

    MRAM replied to the topic Cheap EAS for Hobby Broadcasters in the forum General Discussion 1 year, 4 months ago

    Then again, a vox switch on the audio out from an inexpensive Alert radio could activate a switch also.

    That could be an inexpensive EAS system.

  • Profile picture of MRAM

    MRAM replied to the topic Cheap EAS for Hobby Broadcasters in the forum General Discussion 1 year, 4 months ago

    There are EAS systems for much less although still pricey.

    Our LPFM used an EAS by Dasdec.  Cost was around $3k.  Has 3 internal receivers with room for 4.  Has both analog and AES audio capability.  Logs all EAS events including CAP.  Stores audio clips of events and fully programmable for type of event to forward.

    Perhaps a digital ghuru coul…[Read more]

  • Profile picture of MRAM

    MRAM replied to the topic Cheap EAS for Hobby Broadcasters in the forum General Discussion 1 year, 4 months ago

    So if I understand this correctly, my program audio is sent via Bluetooth to the Kenwood receiver.

    The audio from the Kenwood is sent to my transmitter.

    The Kenwood Bluetooth audio is the selected output but the Kenwood receiver is tuned to a local radio station.

    When the local radio station puts out an EAS alert, the local radio station EAS…[Read more]

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    MRAM replied to the topic ALPB and This Site Going Kaput? in the forum General Discussion 1 year, 4 months ago

    P.S.

    Regarding The ALPB forum, the forum developed into it’s own entity.

    When The ALPB group experienced a “blow out” shortly after Jim passed, things went down hill quickly.

    There was little support for the original concept of The ALPB.  Rather it had morphed into the forum with its own dynamics.

    As the originator of The ALPB, and with no…[Read more]

  • Profile picture of MRAM

    MRAM replied to the topic ALPB and This Site Going Kaput? in the forum General Discussion 1 year, 4 months ago

    Hi Tim,

    As for The ALPB, the problem is that Chairman Jim Henry passed away.  I had transferred the domain ownership to Jim just a few months before he passed.  That left the domain ownership in limbo.

    I contacted GoDaddy (domain registrar) and explained the situation and that I was the previous owner.  They would not simply transfer the do…[Read more]

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    MRAM posted an update 1 year, 5 months ago

    Retired and missing the routine. Do not miss getting up before I’m ready though.

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    MRAM replied to the topic Cleaning Records in the forum General Discussion 1 year, 6 months ago

    The records you cut, are they straight to vinyl or are those acetate on metal?

    I have a 45 of a band my brother was in back in the ’60s.  It was cut on an acetate on aluminum.

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    MRAM replied to the topic Cleaning Records in the forum General Discussion 1 year, 6 months ago

    Hmmm.  I used to wash records as he shows but I never would have thought about using WD-40 on vinyl.

  • Profile picture of MRAM

    MRAM posted an update 1 year, 7 months ago

    All caught up. Check back in a couple months…

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