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   Home   Help Search  
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 21 
 on: Today at 06:16:29 PM 
Started by KR4TH - Last post by WD4ELG
+1 on LONESTRANGER's comments.  Although my Duracell 9V batteries last pretty long (weeks).

 22 
 on: Today at 06:14:23 PM 
Started by W6GX - Last post by KB2FCV
Nice work!  Did you wind those coils yourself? 

Thanks! They are #10 or #8 (I forget what I picked up) and were wound on a lathe at my friends house. He did a beautiful job winding them! I intend on improving the tap method with something less lossy than an alligator clip (I did at least replace the wire with 14 stranded). Primary SWR adjustment is by moving the clips around with fine tuning by the capacitor.

 23 
 on: Today at 06:12:54 PM 
Started by W7NKR - Last post by WA2AAR
QTH.com is becoming a big Joke. They now delete WTB and WANTED listing if you don't put a prick on what you want to buy.
How the heck do u know the price of what the other station is asking. It happen to me twice. Looks like all they want is $$$$$$
from us

 24 
 on: Today at 05:55:56 PM 
Started by KA0LDG - Last post by VK2TIL
If the display shows 5v p-p (2 1/2 divs at 2v/div or the equivalent) and the cursor readout also shows 5v with one cursor at the waveform bottom and the other cursor at the waveform top, all is indeed OK.

If that is so, you have a very nice instrument.

 25 
 on: Today at 05:50:34 PM 
Started by KA0LDG - Last post by KA0LDG
Yep, using your values, I do get 5 volts peak to peak so if I understand you correctly, it's working.  True?

 26 
 on: Today at 05:37:44 PM 
Started by KE4LLW - Last post by W9IQ
Most people will put the meter between the transceiver and the antenna tuner. This way you can be sure your antenna tuner is providing a good match for your transceiver and that your transceiver is putting out maximum power. It would look like this:

    Xcvr <-> Meter <-> Tuner <-> Antenna

Other people like to put a meter between the tuner and the antenna. While this may show a higher SWR, it is helpful because you can see if any changes have occurred with your antenna that the antenna tuner would mask in the version above. It would look like this:

   Xcvr <-> Tuner <-> Meter <-> Antenna

If you have an SWR/power meter built into your transceiver then you have the best of both world with this latter version.

In both cases, the "ANT" connection on the meter is to the right in the above diagrams.

- Glenn W9IQ

 27 
 on: Today at 05:28:27 PM 
Started by KD7RDZI2 - Last post by W6EM
can Electret condenser microphone capsules be submerged in water without being damaged and used after they dry up? What about dynamic capsules?
Water is not a friend of electromechanical devices, generally.  While you might be able to soak and dry them out and get them to work seemingly OK short-term, there may be long term consequences: corrosion.  Metal salts or oxides may form from the moisture.  Then again, a microphone does receive a barrage of hot, moist breath, so perhaps not a concern.  But, submersion could introduce significant pressure and violate seals.

You could always purchase an inexpensive condenser element for a buck or two and try soaking it.  Dynamic elements are more expensive, so test carefully.

 28 
 on: Today at 05:23:33 PM 
Started by KC8MWG - Last post by KC8MWG
Pretty easy- where did you buy it from? There are only two sources I am aware of:
eBay= China/ knockoff
Chris/U.K.- the designer/owner

Dale W4OP

Except when you buy it second-hand already partially completed from someone who lives in Lithuania...who knows where HE got it from, and I didn't think to ask (at the time, I didn't even know there WERE Chinese knock-offs; something on Chris's website seemed to indicate some work got outsourced to China at one point, but it was supposedly legit; one commentor said that was probably not a good move, given the Chinese propensity for copying...). The price was too good to pass up, anyway - $50, and all the parts are supposed to be there. The guy said he just didn't have the time or patience to complete it. Going by tracking (granted, not too reliable in that part of the world...), I should have it in about 2 to 2-1/2 weeks. Guess I will find out then...

 29 
 on: Today at 05:22:22 PM 
Started by KE4LLW - Last post by KE4LLW
I should have remembered that from just using the meter in the rig.  Just to make sure I get it plugged into the correct slots, should the jumper run from the meter to the rig and the antenna coax plug into the ANT connector on the meter?  I have a tuner in line.  Does the meter plug into that in anyway?  Thanks, Glenn!!

 30 
 on: Today at 05:14:03 PM 
Started by W6GX - Last post by KD0PO
it will be nice if they listen for NA..... Wink

Ray

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