Re: DX and antenna
Simran
Okay. Please note your inverted V is only expected to work well on one band, and if you cut it to a formula like 468 divided by frequency (in MHz, gives answer in feet, forgive me if you need
By
Curt
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#89342
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Re: sBITX
Hi Jean,
In answer to one of your questions Ashar went over a couple of things in
his video, one was the concept of a SDR contronolled uBitx which was
basically bolting the Pi onto the front end of a
By
Peter McCracken EI3JCB
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#89341
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Re: sBITX
Greetings to all,
More or less the same question here, plus also a few remarks and questions for Asshar I suppose.
I sincerely hope that all is well in Hyderabad and that Asshar is able the pursue
By
jeanrenier2004
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#89340
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Re: Audio output is very low
Abhrajit das,
Thank you for the test equipment information.
Here is the video from Ashhar Farhan that I referenced before (I found it on
By
Evan Hand
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#89339
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Re: Audio output is very low
Test equipment MULTIMETER, antenna analyzer, soldering iron frequency
counter and a AntUino from hfsignals. That type of equipment I have.
By
Abhrajit das (vu3yda) <Vu3yda@...>
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#89338
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Re: Audio output is very low
Abhrajit das (vu3yda)
4:32am #89336 ( /g/BITX20/message/89336 )
,
Does the noise decrease when you turn down the volume control?
An easy way to find which stage of the receiver is
By
Evan Hand
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#89337
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Re: Audio output is very low
As simple as that no rx
[email protected]> wrote:
By
Abhrajit das (vu3yda) <Vu3yda@...>
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#89336
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Re: Audio output is very low
Yes sir volume is full, I have inverted V 40/20M and Dipole for 15M.well
tune, low swr. When I put antenna then not increase noice level. No
difference with antenna and without antenna. When my ears
By
Abhrajit das (vu3yda) <Vu3yda@...>
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#89335
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Re: Audio output is very low
Does the volume of noise increase/decrease with volume control?
What test equipment do you have? What antenna are you using?
- f
By
Ashhar Farhan
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#89334
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Audio output is very low
Hi, today I received ubitx v6.1 but audio is very low and no difference in
noice with antenna and without antenna. It's transmit signal but nothing
received. Please suggest what to do.
Deep(vu3yda)
By
Abhrajit das (vu3yda) <Vu3yda@...>
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#89333
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Re: sBITX
Hi Niels,
Did you ever make any progress with this or get a board up and running ?
Also did you source some 27Mhz crystals, if so which ones did you go for ?
Thanks!
By
Peter McCracken EI3JCB
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#89332
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Re: DX and antenna
sounds nice.... so far i have put an inverted V. Very good RX. However no stations can hear me....
looks like a bad tuning or high swr issue
so far i have not burnt the finals :D
By
arorasimran@...
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#89331
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Re: DX and antenna
Look up QRPGuys on Google - they have some EFHW kits - might be a help.
Gerry
Sent by the Thunderbird
By
Gerald Sherman
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#89330
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Re: DX and antenna
From QST:
"Wire Antennas for the Beginner"
https://www.arrl.org/files/file/Technology/tis/info/pdf/0683033.pdf
Also:
"Antennas - The Easy
By
Jim Smith <zx97lite@...>
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#89329
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Re: BITX20] HEY NEW PERSON, yeah you, go check out bitxmap.com and mark your spot in the world
Well, if you give me a few days and contact me privately at djmalak2k6 at
gmail. I can look at the api. I just want a way to see what they want so I
can advise you of the best solution.
Hosting will
By
Christopher Miller
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#89328
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Re: DX and antenna
Simian
Here i use a small 2 element beam on 20,15,10m and verticals on the other bands, plus I sometimes use an end fed halfwave (EFHW) .? a dipole or EFHW certainty is a good antenna, if space is
By
Curt
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#89327
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Re: HEY NEW PERSON, yeah you, go check out bitxmap.com and mark your spot in the world
Chris,
Thanks for stepping up and offering to help.? I started looking at the API's available and they now all require a billing account to access.? While I am happy to keep renewing the domain I am
By
Doug W
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#89326
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Re: HEY NEW PERSON, yeah you, go check out bitxmap.com and mark your spot in the world
I¡¯m a cyber security major with a masters degree. If an api exists, I would
be happy to work on this. I¡¯m disabled so time is not an issue for me.
Chris
KF4FTR
By
Christopher Miller
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#89325
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DX and antenna
Hi, Got ubitx6 from hfsignals. Pretty happy with it. Very nice piece of technology I must say.
Just wanted to understand
with such qrp on voice, how far have you reached (considering present band
By
arorasimran@...
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#89324
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Re: Farhan VU2ESE'sTwo Tone Generator
Excellent!
[email protected]> wrote:
By
Ashhar Farhan
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#89323
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