Re: Getting raduino crystal frequency with frequency counter
John, ?Counter measurements are only as accurate as their internal time base's accuracy. ?Thus it calls for some improved methods like ? calibration of counter time base. ?I had such experiences
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MVS Sarma
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#29322
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Re: A Good Book
I appreciate your comments, Andrew, especially since there are literally hundreds of sites where my books are being given away free. My daughter works at a major publishing house and they have three
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Jack Purdum <econjack@...>
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#29321
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Re: CW mode delay
Allard, I really wish you keep semiQSK way of TR CW switching. I just wired all CW connections according to your instructions except sidetone (I had fairly loud speaker in my keyer) and tested it on
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Ryhor Harbacheuski
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#29320
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Re: Schema: [BITX20] Interface
I'm going to try it...I hope to catch you on olivia or psk soon...
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David Woodward
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#29319
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Re: Interface
I heat it too. Vince.
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Vince Vielhaber <vev@...>
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#29318
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Re: Schema: [BITX20] Interface
Built this interface (Duinovox) and it works great. Joe VE1BWV
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Joe
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#29317
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Re: Interface
I heat spell check...
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David Woodward
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#29316
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Re: Interface
Thank you Mr.Joe...im spoiled by using the ft817 and HRD...I don't have to touch the radio as the software does everything my some of my logbook is on qsl.cc I won't resist until my Bitx40 has the
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David Woodward
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#29315
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Re: Interface
Forgot , the software i use is jt65 HQ with jt 65 alert. Any digital program will work fine. VE1BWV Joe
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Joe
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#29314
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Re: Interface
I run jt65 on the bitx40 using raduino v116 1. Do the usb mod - remove 2 caps - search for usb mod on bitx groups. 2. In settings set lsb freq then set usb ( usually 1500) Lsb must be done first. 3. I
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Joe
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#29313
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Re: Schema: [BITX20] Interface
Thank you ...this is a great start. I also want CAT control of the Bitx40...all in one box...
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David Woodward
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#29312
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Re: BITX40 Sensitivity
I hear nothing that low, -110, I flip in another 10 and it is gone? My BitX has Ear Wax! Mike, WA6ISP
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Michael Hagen
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#29311
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Re: BITX40 Sensitivity
I can confirm Raj's -130. I just hooked up my Motorola R-2200 service monitor to my BitX. At -130 I could detect the signal was there and could probably work a CW station at that level. At -131 I
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Vince Vielhaber <vev@...>
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#29310
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Re: BITX40 Sensitivity
Considering my old Collins receiver has a 1 or 1.5mv sensitivity, the BitX is super sensitive! I haven't checked it on the service monitor yet tho. Vince, -- Michigan VHF Corp. http://www.nobucks.net/
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Vince Vielhaber <vev@...>
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#29309
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Schema: [BITX20] Interface
Sent: Tuesday, July 04, 2017 7:33 PM To: [email protected] Subject: [BITX20] Interface Wondering if anyone is working on an interface to mate the Bitx40 with HRD or FDigi....or even there own
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CX8ABF Carlos Molina
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#29308
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Other: [BITX20] Interface
http://kb9rlw.blogspot.com.uy/2016/08/cheap-and-easy-to-build-digital-modes.html Sent: Tuesday, July 04, 2017 7:33 PM To: [email protected] Subject: [BITX20] Interface Wondering if anyone is working on
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CX8ABF Carlos Molina
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#29307
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Re: Interface
https://burlingtonarc.wordpress.com/2016/09/15/duinovox-usb-digital-modes-interface/ Sent: Tuesday, July 04, 2017 7:33 PM To: [email protected] Subject: [BITX20] Interface Wondering if anyone is
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CX8ABF Carlos Molina
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#29306
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Interface
Wondering if anyone is working on an interface to mate the Bitx40 with HRD or FDigi....or even there own program...I miss jt65. and Olivia soo much...not to mention the filters...
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David Woodward
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#29305
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Re: VU2ESE AGC Schematic redrawn
Thanks Dan, I will try that this week.? The 2N700 AGC circuit works, but does not have a large enough range for my liking.? I still have to ride the volume control
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lostfrogsrecords <dave@...>
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#29304
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Re: Am radio stations
I have a few broadcast station in 40m always over 7.200 as per ITU regulations. 73 de Pavel CO7WT.
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Pavel Milanes Costa <pavelmc@...>
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#29303
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