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Date
Re: uBITX - A reboot of the old BITX
Thanks Martin, I'm told, though, that layout is quite different from Farhan's, using a different amplifier, some questionable spacings between wires and ground planes, all through hole, etc. Would be
By ryanalcook@... · #27857 ·
Re: Struggling with tuning clicks and birdie sounds
I have braided both the tuning and volume control wires with good results, plus it looks better. v/r Fred W4JLE
By Dr Fred Hambrecht · #27856 ·
Re: Quality speaker mic with minimal modding
Thats the mic I use, have tried it with the supplied insert that come with the Bitx, no difference. Phil - G7BZD
By philip yates <phil@...> · #27855 ·
Re: Struggling with tuning clicks and birdie sounds
Thanks Willy, will try that as soon as weather allows. Due to living in the center of Berlin sadly i can only put up temporary antenna in some park or similar and had thus only tested my build with
By DJ4MU · #27854 ·
Re: Europe to States BitX QSO
Andy, Your antenna is apparently quite effective! ? Can you describe it? ? Dimensions? ? How high at the feed point? ? How many radials? ?Roughly how much gain over a dipole does a distant
By Jerry Gaffke · #27853 ·
Re: Baofeng microphone mod for BITX
you have 6 connectors in total on the 2 stereo plugs but only 4 wires going into the Baofeng mic from those connectors. They all share one common ground on the 2.5mm plugs tip. </br>this works for me
By DJ4MU · #27852 ·
Re: Europe to States BitX QSO
Thanks Paul, CW signal from W1LY was really good, real 579. I am sure that I can copy -10db signals in same conditions :) SSB was not so strong but readable, because my antennas are optimized for cw
By Andy <andy9a3jh@...> · #27851 ·
Re: 300Km with a bicycle and my Bitx40
Julien, A very nice article! Too bad the radio could not be fixed while en route.
By Dave Telling, KJ7WT · #27850 ·
Re: Handheld Mic w/ PTT for BITX40
Which pins are used for the speaker output?
By David Zdeb · #27849 ·
Re: Handheld Mic w/ PTT for BITX40
Which pins are used for the speaker output?
By David Zdeb · #27848 ·
Re: IRF510- Temporary replacement?
Exactly as per post 27762? ? ?That's my best shot, seems both T6 and the LPF want around 50 ohms. ?Or could perhaps use the spare winding on T6 somehow. ?Is there much danger of blowing the
By Jerry Gaffke · #27847 ·
Re: cw speed
That is the key. Sadly, I learned Morse the wrong way back in the Stone Age. I was taught the "count-the-dits-and-the-dahs-and-write-it-down" method. Wrong. Several (free) programs use the Farnsworth
By Jack Purdum <econjack@...> · #27846 ·
Re: uBITX - A reboot of the old BITX
Hello Sarma. That's exactly why I encouraged them to try because the more you practice the more you learn. Granted that they will find it difficult at first but practice makes perfect apart from
By Lawrence Galea · #27845 ·
Re: Quality speaker mic with minimal modding
Has anyone tried this one?: https://www.banggood.com/Hand-Microphone-8Pin-for-ICOM-HM36-HM-3628-IC-718-IC-775-IC-72007600I-with-Track-p-985820.html?rmmds=search
By David Zdeb · #27844 ·
Re: IRF510- Temporary replacement?
The driver gives out about 200 mw. you could directly use that. - f jgaffke@...> wrote:
By Ashhar Farhan · #27843 ·
Re: cw speed
The trick is practice, practice, practice. The more you listen the more you will be able to copy. Then practice sending with a straight key. The more you practice the more you become proficient,
By Lawrence Galea · #27842 ·
Re: Baofeng microphone mod for BITX
I sharee ground for mic a ptt but it did not work: i heard relais working but it did not mute rx sound....
By Cesar <Cesarleon@...> · #27841 ·
Re: Calling West Coast BITX operators
AC7QN, Chuck, Fox Is., Wa
By Chuck Kemmer · #27840 ·
Re: cw speed
there is a cheat method. which is this : usually the other signal repeats her/his callsign a few times. you should be able to get it two or three passes. replay the callsign's morse sequence in your
By Ashhar Farhan · #27839 ·
Re: Tuning potentiometer too long to be fitted
For the volume control I didn't have a knob that fit, but I did have a knob for an even smaller shaft. So I took the set screws out and put it on the lathe and opened it up a few thou. Slid it back on
By Vince Vielhaber <vev@...> · #27838 ·