Re: Antenna Replacement?
#tinysa
#ultra
It needs to be remembered that the whip part of the antenna, is only a part of the antenna. The other part is the case of the instrument and whatever else the case is "connected" to, i.e. it's the
By
Wes Stewart
·
#9554
·
|
Re: question about cable shipped with TinySA Ultra
Commercial cable manufacturer specification sheets often identify the minimum bend radius for the cable. ? ? In my professional experience, stranded conductor coaxial cables generally fall into to
By
Michael Brun
·
#9553
·
|
Re: Antenna Replacement?
#tinysa
#ultra
See my quick NanoVNA screenshots, measured with the?tinaSA original antenna:
minimal length (9 cm)
maximal length (30 cm)
For FM radio or 2m band I would take a longer antenna, or just order a
By
Ho-Ro
·
#9552
·
|
Re: Antenna Replacement?
#tinysa
#ultra
You can choose any length you like.
For low frequency RFI hunting a long antenna is better
The length determines the "optimal" frequency range it will receive.
A quarter wavelength is optimal.
--
For
By
Erik Kaashoek
·
#9551
·
|
Re: Antenna Replacement?
#tinysa
#ultra
Not at all you are the first, the antenna is a very weak part and exposed to everything, no matter how careful you are.
The cheapest ones, you can find them on Aliexpress, for
By
Toni Ciscar
·
#9550
·
|
Re: Antenna Replacement?
#tinysa
#ultra
Thanks. At least I don't feel like the total noob I am now.
I am in Kenya i.e. Africa and bought my ultra from the Zeenko store on aliexpress.
By
KESAHZ
·
#9549
·
|
Re: Antenna Replacement?
#tinysa
#ultra
Thanks. Does the length, number of sections, etc matter when selecting an antenna?
By
KESAHZ
·
#9548
·
|
Re: Antenna Replacement?
#tinysa
#ultra
No, you are in a long line of those that has done that.
Where are you located?
Clyde KC7BJE
By
Clyde Lambert
·
#9547
·
|
Re: Antenna Replacement?
#tinysa
#ultra
https://www.ebay.com/sch/i.html?_nkw=sma+male+antenna+telescopic
--
For more info on the tinySA go to https://tinysa.org/wiki/
By
Erik Kaashoek
·
#9546
·
|
Antenna Replacement?
#tinysa
#ultra
Hi,
I must be the first to have snapped my antenna. Totally my fault - fell asleep on it.
Is it possible to source just an antenna replacement?
By
KESAHZ
·
#9545
·
|
Re: question about cable shipped with TinySA Ultra
ALSR100, similar in structure to TIMES MICROWAVE SYSTEMS' LMR100.
http://www.cnals.com/eng/contents/96/48.html
https://timesmicrowave.com/cables/lmr-100-pvc-coax-cable/ (
By
Hugen
·
#9544
·
|
question about cable shipped with TinySA Ultra
This might be a question for Erik. What is the cable manufacturer and model
shipped with the TinySA Ultra? I'm interested in the bend radius for
purposes of putting the Ultra and various accessories
By
Dave Koberstein
·
#9542
·
|
Re: Can't get the file tinySA4_v1.4-36-g434126d.dfu to download
Hi Martin,
Istv¨¢n has a point. The short description of the firmware fixes and changes was very helpful for endusers.
The shorthand at Gihub is no replacement.
Andr¨¦
By
pe1hwo
·
#9541
·
|
Re: File /TinySA Ultra Menu-Tree Chart - DRAFT.pdf uploaded
#file-notice
You're right, I should reduce that keypad size!? It wasn't a problem till I ran into that page where I went left to fit things in :-)
By
David Massey
·
#9540
·
|
Re: File /TinySA Ultra Menu-Tree Chart - DRAFT.pdf uploaded
#file-notice
Thanks Dave, I appreciate your effort.
May be simpler to keep the flow, top-down and left to the right.? not down, to the right, then to the left and down.
The numberic keypad could be reduced in
By
Stan W1LE
·
#9539
·
|
Re: Can't get the file tinySA4_v1.4-36-g434126d.dfu to download
See the history at GitHub:
https://github.com/erikkaashoek/tinySA/commits/main
By
Ho-Ro
·
#9538
·
|
Re: Can't get the file tinySA4_v1.4-36-g434126d.dfu to download
Istv¨¢n,
The CRC is different because the build time is different and also the compiler versions differ, Erik uses an older version.
Both infos are stored as strings in the binary file.
$ strings
By
Ho-Ro
·
#9537
·
|
Re: Can't get the file tinySA4_v1.4-36-g434126d.dfu to download
Dear Erik,
what kind of change You made in the firmware, from version 1.4-33?
@Ho-Ro
Your files not identical, for exampe:
http://athome.kaashoek.com/tinySA4/DFU/tinySA4_v1.4-36-g434126d.bin
(look
By
Istv¨¢n
·
#9536
·
|
Re: Can't get the file tinySA4_v1.4-36-g434126d.dfu to download
Thanks, Martin. Downloaded and installed.
Erik's still isn't correct at 11:20 UTC.
David
--
SatSignal Software - Quality software for you
Web: https://www.satsignal.eu
Email:
By
David J Taylor
·
#9535
·
|
Re: Can't get the file tinySA4_v1.4-36-g434126d.dfu to download
Netwerk problems appear to be solved
--
For more info on the tinySA go to https://tinysa.org/wiki/
By
Erik Kaashoek
·
#9534
·
|