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Shadetree Mechanic's Recent Activity

  1. Shadetree Mechanic liked Gypsy707's post in the thread Base Need base antenna advice.

    I’d do a half wave doublet with a small matchbox won’t eat up your power and if you want you could mount it in the attic and forget the...

    May 21, 2019 at 2:12 AM
  2. Shadetree Mechanic liked Marconi's post in the thread Modified Vector 4000.

    Shadetree, basically I tend to agree. Currents and phase are difficult topics and for me they are even harder to talk about. Maybe DB...

    May 21, 2019 at 2:10 AM
  3. Shadetree Mechanic liked Hurricane145's post in the thread Rarest cb / export you’ve owned.

    When did the export radios start showing up? Did they show up right when CB went to 40 channels from 23 or was it sometime later? Was...

    May 21, 2019 at 12:50 AM
  4. Shadetree Mechanic liked Bow's post in the thread Key up box with switch.

    Here you go.. Everyone likes pictures... No Colors, but pictures are good

    BME Audio Test Box.jpg May 21, 2019 at 12:44 AM
  5. Shadetree Mechanic liked BJ radionut's post in the thread Opinions on using computers for decoding and encoding CW.

    Yepper: You could pick those old Russian stations out easily...That 90 cycle AC/240 volt they ran for supply voltage made a very...

    May 20, 2019 at 10:09 PM
  6. Shadetree Mechanic liked Justwantdahifiaudio's post in the thread Ring modulation???.

    how would I go about applying a ring modulator to my cobra 2000? Guessing tp7 and tp8 have something to do with it.. what other things...

    May 20, 2019 at 9:37 PM
  7. Shadetree Mechanic liked kopcicle's post in the thread Ring modulation???.

    About every manufacturer up to the introduction of integrated circuits. And not being a smart ass....

    May 20, 2019 at 9:37 PM
  8. Shadetree Mechanic liked kopcicle's post in the thread Ring modulation???.

    diode ring modulator [IMG] double balanced modulator [ATTACH]...

    dbm.png May 20, 2019 at 9:36 PM
  9. Shadetree Mechanic liked Big Kahuna's post in the thread Stumbled upon this today....

    I'm sure lots of you have seen this before but I was looking at some SDR related sites and found this controllable receiver - lots of...

    May 20, 2019 at 8:04 PM
  10. Shadetree Mechanic liked sunbulls's post in the thread qje 50 amp power supply hooking in parallel.

    I never looked at the PowerMax closely until now. I don’t know how they rate as far as RF noise is concerned, but I like their layout...

    May 20, 2019 at 7:59 PM
  11. Shadetree Mechanic liked kopcicle's post in the thread If FCC gave CB 50 watts.

    I'd like to see limited data and FM on 11m. All 50w would do is make half of my 11m neighbors half legal.

    May 20, 2019 at 7:55 PM
  12. Shadetree Mechanic attached a file to the thread qje 50 amp power supply hooking in parallel.

    I have the mega watt 50a and the fan is loud. You will want to replace the fan especially if you are going to run two of them. I then...

    s-l400 (12).jpg May 20, 2019 at 2:18 PM
  13. Shadetree Mechanic liked sunbulls's post in the thread qje 50 amp power supply hooking in parallel.

    I would also go with two Megawatt supplies. Cheaper in the long run. For those thinking about using other identical switching supplies...

    Parallel power supply conection.jpg May 20, 2019 at 2:07 PM
  14. Shadetree Mechanic liked Slowmover's post in the thread Rarest cb / export you’ve owned.

    Can’t quite say I’ve been in the game thoroughly enough to qualify by the thread title. But at this exact moment a rarity I own due...

    DA1F15DD-D51C-44CB-9BEA-C4B4AC07C328.jpeg 7391E421-46B1-4D5C-BF82-624B036EC750.jpeg May 20, 2019 at 2:05 PM
  15. Shadetree Mechanic liked Bow's post in the thread Key up box with switch.

    Yes and it is pretty simple. Figure out the Mic wiring Get a STDP (ON-ON). Wire the ground to the center pin of the switch Transmit...

    IMG_20190518_164726561.jpg May 20, 2019 at 2:03 PM
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