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Type: Posts; User: n4trc

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    IC-V82 replacement battery

    Eleoption BP-209 7.2v DC 1650mAh battery for IC-V82 handheld (this is the identifier and the current rating [1650mAh] listed on the replacement battery). This goes completely counter to the model...
  2. I know what that’s like, obed... they usually...

    I know what that’s like, obed... they usually start when they see our antennas. “What’s that (for)?” :stupid::lemo::suspicion:I just tell them it’s for AM BC, that I listen to talk radio. Or hide it...
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    mfj-1026 noise canceller tx relay actuation

    I already have my icom ‘703s accy plug wired for fsk rtty (thereby already using the accy HSEND pin for rtty function, but most seem to recommend against using the accy plug for mfj-1026 relay...
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    This headphone switchbox feeds either/or/and my...

    This headphone switchbox feeds either/or/and my line-level TV audio and/or radio audio. I wanted to use the radios external spk output to 1- feed radios audio to headphones (remember, this is audio...
  5. SO2R ‘beta’ version complete. Room to improve

    This headphone switchbox feeds either/or/and my line-level TV audio and/or radio audio. I wanted to use the radios external spk output to 1- feed radios audio to headphones (remember, this is audio...
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    Audio switchbox suggestions

    I aim to build an audio switchbox feeding my line-level tv audio and my radios audio into headphones in SO2R fashion. Want to add additional volume control in the unit itself (the radio knob acts as...
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  8. Frequency counter for MFJ-204B Antenna Bridge

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    SWR analyzer vs coax length? How to tune?

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    reproduce B&W AP-10/B antenna coil (or not?)

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    I also found an idea by Craig LaBarge, WB3GCK......

    I also found an idea by Craig LaBarge, WB3GCK... instead of the typical switching of the grounded capacitor from one side of the inductor to the other, he uses a DPDT to go from a grounded cap after...
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    I have a MFJ 16010 L network :pride:, I placed a...

    I have a MFJ 16010 L network :pride:, I placed a switch in it to simplify basic reversal :encouragement:. Still, there are numerous other arrangements of the inductor and capacitor that one may find...
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    Morse style texting... what phone?

    My wife and I are thinking abt replacing our soon defunct ‘flip’ phone with something newer, what type of phone and app would allow sending/receiving text in morse fashion (perhaps w/ an attatchment...
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    Sweeeet! :cool: :applause: Ideally that’s how I...

    Sweeeet! :cool: :applause: Ideally that’s how I would do it (larger plate gap caps, roller variable inductor), if I had that much to put into it :shame:. I need to know if the plate spacing of .02...
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    L network QRP wire antenna tuner ideas

    Newly acquired inductor is 39 microhenry, Diameter - 2-5/8", Length - 5 inches, Turns of wire - 39
    Wire - Magnet solid copper #16 awg, Turns per inch - Aprox. 9 turns per inch.

    Also acquired a 5...
  23. homebrew antenna to replace aged Barker/Williamson AP-10/B

    I COULD go with a base loading coil, as wide in diameter, as the typical 5 gallon 'construction' bucket (abt. 11 inches dia :abnormal:), and set the existing 3ft.+/- antenna in the center. I easily...
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    QSL, Van. I have a AH-4 still fresh in its box,...

    QSL, Van. I have a AH-4 still fresh in its box, have considered using it to feed a variant of the “Saint Louis Vertical” fishpole antenna, stuck down some PVC mounted? some distance on the right side...
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    Stationary RV Antenna

    Have a B&W AP/10-B portable antenna mounted outside on the rear view mirror, on the front of my 35’ RV facing North here in Florida (yeah, the antenna only SLIGHTLY higher than the south-facing RV...
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