QCX 20m - Almost done... can't wait
Greetings all; ? ? Well I completed my QCX 20m last evening.? I have had my share of boneheaded mishaps which I take full credit for.? Initially when I was installing the glass diodes I broke one.? I manage to pillage one from a failed QRP project.? Last night when I was installing the volume pot I applied a bit too much pressure on it and cracked the board in the pot.? Net result I have no volume out.? I was able to jumper the leads on the pot to discover I am getting plenty of audio.? I hope to salvage the pot and to get the rig on-line this evening.? I may have to wait until the weekend do get to operate during the day when 20m will do better with propagation.
Hopefully these pictures come through.??
Just want to thank Hans for the continue support as well as providing just a great product.? Other than my missteps it was a great build.? Can't wait to get on the air.
72/73; Kurt - W2MW
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Hi,
I second Simon's opinion: FT-8 is a highly interactive mode with seconds to interact and was never intended as a beacon mode. Beside that the QSO runs in automatic mode. No chance to implement this in the U3s. And the crocodiles are coming into the FT-8 pond, so no chance for a 200 mW signal.
73 de Hajo
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Re: U3 V3.03b no power output after connecting QLG1
rule one, remember to take your towel ;-)
db
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On Dec 6, 2017, at 2:53 AM, Alan G4ZFQ <alan4alan@...> wrote:
forgotten to add the jumper for the PA, Colin,
Rule 1)
DO NOT PANIC!
73 Alan G4ZFQ
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Hans,
?Have you looked at going to say an ESP32 device? They would certainly eliminate any constraints for a long time on memory, cpu, I/O, etc.? I don't know what price break you get on the Atmel devices and how much you could get on the ESP32.?
73, Michael
KM4OLT
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On Wed, Dec 6, 2017 at 06:24 am, James Zelazny jr wrote:
but would like to see FT8 replace JT9 for selfish reasons
Error,I meant replace Opera with FT8. Jim
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Dean,
PI4 is being used with good results and just my opinion,should replace CW beacons altogether.Not many people are aware of this mode and how useful it is.
Software is almost too simple to use -
Of course GPS is required.FT8 would be interesting if it were to replace modes not so used in the U3S now.I have tried Opera recently and found NO ONE is there anymore.I fear that FT8 will end the same way soon as another mode emerges,but would like to see FT8 replace JT9 for selfish reasons :) JT9 also pushed to the wayside so I see a use for a FT8 beacon just because everyone is there to receive it now.Just check the decrease of modes used/not used,FT8 is winning,for now.
PI4 INFO-
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That's why I asked about (and deleted) rig control... I've only seen FT8 used to make QSO's. And yes, it's not easy
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Any chance of FT8 mode being included in the U3 firmware.
Dean, This seems to be becoming a popular "QSO" mode. Is there really any interest in making it yet another beacon mode? The WSPR sub-band is the place for that. 73 Alan G4ZFQ
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Re: What are QLG LEDs telling me?
Can't remember what it said! ?I think I tore the article out of the paper for future reference if I can remember where I put it!!!
Love Dad
On Tuesday, 5 December 2017, 14:35, Daniel Ekman SA2KNG <knegge@...> wrote:
Either the IC1 is blown, or the GPS module (or both).
DMM pin 20 of the GPS module (safer to measure on R1). A periodically varying ~3.3V signal indicates a working GPS module.
If there's a varying voltage there and not on IC1 pin 8 and 11 then the IC1 has failed.
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No, no , please no. FT8 is a 'QSO' mode and letting loose FT8 beacons in the FT8 sub-band is, in my view, pointless and counter-productive and not at all in line with the ethos of the mode. I find it hard enough to make any FT8 contacts now as the sub-band on 40/20m is so crowded (however FT8 on 6m in the Sp-E season was excellent).
73 Simon G0FCU.
On 6 December 2017 at 14:01, Hans Summers <hans.summers@...> wrote: Just program a short beacon message, like JT9, JT65, etc. So a FT8 beacon.?I'm not sure how useful that is...
73 Hans G0UPL
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Just program a short beacon message, like JT9, JT65, etc. So a FT8 beacon.?I'm not sure how useful that is...
73 Hans G0UPL
On Wed, Dec 6, 2017 at 4:53 PM, Michael Lloyd <mikell@...> wrote: Wouldn't you would have to integrate rig control for the U3 into the laptop if you were going to use FT8?
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Hi Dean
I already coded FT8 in my U3, next version v3.13, last week. I have not yet had a chance to test it. v3.13 also contains JT4 and RTTY modes.?
73 Hans G0UPL
On Wed, Dec 6, 2017 at 4:48 PM, Dean Smith <g7eob1@...> wrote: I think there are two answers to this one, but i'll ask all the same!
Any chance of FT8 mode being included in the U3 firmware.
I know the room in the ATMEGA is tight!? (PI mode anybody still use it???)
I understand this mode is a quick version of JT65 (15 second slots)!
The idea behind this is that it would be possible to fit in another tx mode within a frame.
I'm sure most will have 15 seconds spare, before calibration starts?!
thoughts anybody???
Dean G7EOB
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I think there are two answers to this one, but i'll ask all the same!
Any chance of FT8 mode being included in the U3 firmware.
I know the room in the ATMEGA is tight!? (PI mode anybody still use it???)
I understand this mode is a quick version of JT65 (15 second slots)!
The idea behind this is that it would be possible to fit in another tx mode within a frame.
I'm sure most will have 15 seconds spare, before calibration starts?!
thoughts anybody???
Dean G7EOB
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Re: U3 V3.03b no power output after connecting QLG1
Alan, that should be written on the cover of a comforting book :o)
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Re: QCX firmware 1.00d release
Hi Peter
That fix for the WSPR encoding will be in the next firmware release. 1.00e.?
73 Hans G0UPL
On Wed, Dec 6, 2017 at 10:19 AM, <peter@...> wrote: Hi Hans,
does the 1.00d also contain the fix for the WSPR encoding (as described in?/g/QRPLabs/message/18134)? Or will this be included in a future release?
best 73,
Peter, HB9TVK
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Re: U3 V3.03b no power output after connecting QLG1
forgotten to add the jumper for the PA, Colin, Rule 1) DO NOT PANIC! 73 Alan G4ZFQ
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Re: Overhauling my first and second U3s. PA bias and power output with (3) BS170 transistors question(s)
I'll just take the screws off the lid and replace the transistors <--- OCXO owners inside joke...
Mike I had to unscrew mine. I'd suggest ignoring Hans on this point and only use a few screws like I did when I reassembled. 73 Alan G4ZFQ.
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Re: U3 V3.03b no power output after connecting QLG1
Hi Hans, I had a look at the building instructions again and saw that I had stupidly forgotten to add the jumper for the PA,? I have been running the kit up to now with a separate power supply for the PA, duh, I have spent hours looking for the fault, panic over.
Thanks for your help, 73 Colin.
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Re: U3 V3.03b no power output after connecting QLG1
Hi Alan, I had a look at the building instructions again and saw that I had stupidly forgotten to add the jumper for the PA,? I have been running the kit up to now with a separate power supply for the PA, duh, I have spent hours looking for the fault, panic over.
Thanks for your help, 73 Colin.
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Re: QCX firmware 1.00d release
Hi Hans, does the 1.00d also contain the fix for the WSPR encoding (as described in? /g/QRPLabs/message/18134)? Or will this be included in a future release? best 73, Peter, HB9TVK
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Kurt Zimmerman
Hajo Dezelski
Michael Monteith
Colin DD5CF/G1ZOS