The resale price ?for CW filers for Yeasu and Collins is nuts. ?Some people are asking $400. That is the price of the radio. Supply a demand and the demand far outweighs the supply.
We need a solution in the $100 price range …
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On Thu, Jun 27, 2024 at 06:25 AM, John wrote:
Thanks Andy, there's a lot of useful stuff there.
Thanks. I just made a few minor tweaks to the text to improve readability too. 73 de Andy G0FTD
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Thanks Andy, there's a lot of useful stuff there.
73,
John G4EDX
On Mon, Jun 12, 2017 at 03:56 AM, Jerry Nevins wrote:
I found this tidbit out there:
?
Now at
URL was changed after I had an accidental deletion of the original
website and had to rebuild it.
73 de Andy G0FTD
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On Mon, Jun 12, 2017 at 03:56 AM, Jerry Nevins wrote:
I found this tidbit out there:
?
Now at URL was changed after I had an accidental deletion of the original website and had to rebuild it. 73 de Andy G0FTD
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Re: my ft 817 flashes unstable
TX ERROR message can occur if you try to transmit out of band.
?
Check to see if you have a repeater shift activated.
73 de Andy
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Re: my ft 817 flashes unstable
Rami,
Does the display flash at all times or only when you are transmitting?? Have you tried a factory reboot?? See page 76 of the manual.? If you have programmed memories, make a copy before your restore factory defaults.? I use CHIRP for that.? If you don't have a programming cable then simply write everything down.? If that doesn't help, it seems that you may have either an internal connector that is loose or the power supply for the front panel is failing.? The fact that it appears to be normal when you run the power supply to 14 volts makes me think that the power cable is defective/too small/not a good connection.?? If that was the case during transmit the voltage display would vary be a few volts.
I just thought of something.? Is the backlight flashing or the characters in the display?? If it is the backlight, try changing the color.? Menu item 15 to select blue or amber.? I have heard of problems with the backlight before.? If that is what is happening to you, then search for "backlight" in this forum.
--
Al Skierkiewicz
WB9UVJ
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Re: Measuring the output power
Bernard,
The link works now. Maybe the site was down when I tried it.
Thank you for reaching out!
Fred/N7PN
On Tue, Jun 25, 2024 at 3:02?PM Ham Radio via <bernard.murphy= [email protected]> wrote: Fred.
Can you ?try the link ?again?
I deleted the original post because I did not hyperlink the URL. Send me a DM if you still have an issue as the reposted message does work for me.
-- Fred Hules II (602) 717-0345
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Re: my ft 817 flashes unstable
Hi, I did a quick check of the group and found this: /g/ft817/topic/44934259Same symptom, but some interesting responses so take some with a grain of salt. It sounds like a PLL unlock issue (though for this issue the unit should respond with an UNLOCK error message); that would require alignment (and sufficient test equipment - see the technical supplement). Since this is occurring on TX only I would look for current starving of the power supply, voltage drop across the power cable, or defective power plug. It is important that you indicate failure with no battery installed; as I recall my FT-817ND really prefers a battery installed even if the battery does not hold charge. Lastly you need to do all troubleshooting with a dummy load attached; a 10W dummy can be constructed with common carbon composite resistors in parallel or purchased off eBay for about $20 USD (you might need an adapter/cable to get to PL-259). Doug. K4DDM.
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Re: my ft 817 flashes unstable
I have already said you need to test the radios?
Ref frequency
Dave 2E0DMB
thanks dear Mick but when i put 14 volts some bands like vhf and uhf work correctly
Le?mer. 26 juin 2024 à?13:40, Michael Newbury via <michael.newbury= [email protected]> a écrit?: Seems to me the radio is trying to TX out of band with the TX error flashing on the screen
Mick SA4MDN
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Re: my ft 817 flashes unstable
thanks dear Mick but when i put 14 volts some bands like vhf and uhf work correctly
Le?mer. 26 juin 2024 à?13:40, Michael Newbury via <michael.newbury= [email protected]> a écrit?: Seems to me the radio is trying to TX out of band with the TX error flashing on the screen
Mick SA4MDN
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Re: my ft 817 flashes unstable
Seems to me the radio is trying to TX out of band with the TX error flashing on the screen
Mick SA4MDN
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Re: my ft 817 flashes unstable
Could it be that there's a transmit offset that puts the frequency out of band?
John G4EDX
Dear Al
transmiting only on amateur radio frequencies, yes the display flashes, on 11 in the menu i have batt=volt, and pressing F after rotate i can see on the left the voltage 13.1 volts the mode on the right , down chg>volt> DSP, and all the screen flashes and when i transmit it give me tx error, and this is the same in all bands
thanks?
73 Ramy?
OD5SB
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Re: my ft 817 flashes unstable
Dear Al
transmiting only on amateur radio frequencies, yes the display flashes, on 11 in the menu i have batt=volt, and pressing F after rotate i can see on the left the voltage 13.1 volts the mode on the right , down chg>volt> DSP, and all the screen flashes and when i transmit it give me tx error, and this is the same in all bands
thanks?
73 Ramy?
OD5SB
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Re: Measuring the output power
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Re: Measuring the output power
I designed a QRP SWR and power meter:
https://g8gyw.github.io/
--
Mike G8GYW
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Re: my ft 817 flashes unstable
Rami,
I still don't understand "bands flashing".?? Are you saying that the display for frequency flashes?? That occurs when you are trying to transmit on a frequency the radio is not programmed to transmit.? However it flashes "TX Error".? Can you enter the display menu 11?? Press the F key once and rotate the select knob (lower left) until the display shows CHG VLT DSP.? Press the B button underneath the display until the voltage appears in the upper left of the display.? What does your radio show?
--
Al Skierkiewicz
WB9UVJ
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Re: Measuring the output power
To the original poster (on3plz ?):
I've been following this thread, and
maybe I've missed something, but I have a question that I don't
see any answers to-? particularly since this is a ft817 group- why
do you feel a need to measure power?? I presume it's a measurement
at maximum level of 5 watts, or perhaps a bit more- but knowing
why you desire to make measurement(s) helps with answering the
question:
(a) if you're looking to make some
adjustments to "peak" a power output adjustment, it's probably not
necessary to accurately measure the actual power level- a simple
analog meter (VTVM, or VOM) connected to a signal (or germanium)
diode detector that's measuring the voltage across a 47, 50, or 51
ohm non-inductive resistor might be sufficient as it provides a
relative measurement, where small changes can be easily observed
but
(b) if you're looking to increase the
ft817 power output above 5 watts- I've been told that it can be
done- but I suspect that you will be stressing the radio
and
(c) if you're looking to get accurate
measurements of power output (to several decimal places) keep in
mind that such accuracy is difficult to provide without calibrated
instruments and reference elements (for example- dummy load
characteristics).
Mike N4MWP
On 6/25/24 16:31, Ham Radio wrote:
toggle quoted message
Show quoted text
[Edited Message Follows]
You can build a simple RF probe but you need to calibrate it.
?A simple SWR meter does not measure power over a wide range of
frequencies. ?If possible, borrow a Bird 43 wattmeter from a
local ham.
You can use that device to calibrate the power of your
measurement equipment.
Check out kc9om.com. ?He sells some great kits and gives
excellent service.
You can also build own watt meter using a Arduino UNO, a power
tap and dummy load
See my rather crude video that I produced 4 years ago to see a
demo of a talking watt meter.
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Re: Measuring the output power
Fred.
Can you ?try the link ?again?
I deleted the original post because I did not hyperlink the URL. Send me a DM if you still have an issue as the reposted message does work for me.
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Re: Measuring the output power
No multimeters do not measure power.? Nor will they respond to voltage at frequencies? the FT818 will work at.
IMHO all Ham should have a SWR meter and one that is calibrated for power.? It can be useful in many ways, just not monitoring the rig's output, but also aiding in making antennas.
If getting a power meter make sure it is made for the frequency you need.
73, ron, n9ee/r Ron Wright, N9EE/R Hernando Co ARES EC
Spring Hill, Florida also n9ee55@...
On Tuesday, June 25, 2024 at 04:05:29 PM EDT, Ham Radio <bernard.murphy@...> wrote:
An RF probe is easy to make but should be calibrated. ?A plain SWR meter does not measure power across a large frequency range. ?Borrow a Bird 43 from a local ham and calibrate your device(s) including a SWR bridge, ?if you have one.
You can also make a watt meter using a Arduino Uno and with a power tap and a dummy load. ?I have built one that speaks and one that generates CW. ?Click on link below for details.
https://youtu.be/RbaCiTmmYDQ?si=1N9Oz01RQD_J1DJ6
Also, check out KC9ON.COM. ? ? ? He sells some very nice kits and is really nice person to deal with.
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Re: Measuring the output power
Bernard,
The website you provided does not work. Could it be a typo? The call is not good on QRZ.? Maybe the website is no longer around?
Fred/N7PN
On Tue, Jun 25, 2024 at 1:31?PM Ham Radio via <bernard.murphy= [email protected]> wrote: [Edited Message Follows]
You can build a simple RF probe but you need to calibrate it.? A simple SWR meter does not measure power over a wide range of frequencies.? If possible, borrow a Bird 43 wattmeter from a local ham.
You can use that device to calibrate the power of your measurement equipment.
Check out .? He sells some great kits and gives excellent service.
You can also build own watt meter using a Arduino UNO, a power tap and dummy load
See my rather crude video that I produced 4 years ago to see a demo of a talking watt meter.
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Ham Radio
Al WB9UVJ
Fred-N7PN
Michael Newbury SA4MDN
on3plz
Mike Dinolfo