[RF induction problem - Solved] Hotspot mode failing after 2/10/2020 updated

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kd2lh
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Re: Hotspot mode failing after 2/10/2020 updated

Post by kd2lh » Fri Feb 21, 2020 5:58 pm

Hi, I have been running the 13 frame experimental firmware from Roger for about 9 hours without problem.

The RFI in the USB is a definite possibility. I'm using my GD-77 on the charger full time. When it's in transmit, you always see the charger light shift to yellow and flash - so it's a RF rich environment.

This time, I have the usb and power cables looped slightly in 10cm flat loops on the desk. The adapter cable connection USB to MicroUSB for the PiZeroW is inside the circle.

I'll look to see if I have any ferrite beads that I can wrap the USB to GD77 cable or USB adapter cable in.

Another possible difference between my setup and others is that I am using the CWID at 9 minute intervals.

Update: I've just ordered some ferrite filters to install on the USB cable.

Marc

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F1RMB
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Re: Hotspot mode failing after 2/10/2020 updated

Post by F1RMB » Fri Feb 21, 2020 6:27 pm

Hi Marc,
kd2lh wrote:
Fri Feb 21, 2020 5:58 pm
Hi, I have been running the 13 frame experimental firmware from Roger for about 9 hours without problem.

The RFI in the USB is a definite possibility. I'm using my GD-77 on the charger full time. When it's in transmit, you always see the charger light shift to yellow and flash - so it's a RF rich environment.

This time, I have the usb and power cables looped slightly in 10cm flat loops on the desk. The adapter cable connection USB to MicroUSB for the PiZeroW is inside the circle.

I'll look to see if I have any ferrite beads that I can wrap the USB to GD77 cable or USB adapter cable in.

Another possible difference between my setup and others is that I am using the CWID at 9 minute intervals.

Update: I've just ordered some ferrite filters to install on the USB cable.

Marc
Okay. I'm using CWID too, 10 minutes rate.

Could you, next time you have the problem (before doing anything else), just login on your RPi, and do that:

rpi-rw
dmesg > /home/pi-star/dmesg.txt
rpi-ro

and send me that file ?

Cheers.
---
Daniel
73 de Daniel.

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kd2lh
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Re: Hotspot mode failing after 2/10/2020 updated

Post by kd2lh » Fri Feb 21, 2020 11:10 pm

Will do. I'll be loading the 2/21 version firmware shortly, and will gather the DMESG data should this fail.

Marc

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kd2lh
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Re: Hotspot mode failing after 2/10/2020 updated

Post by kd2lh » Sat Feb 22, 2020 1:54 am

The 2/21 version is dumping out within a couple of minutes of booting.

I've placed the DMESG files (two failures) here:

viewtopic.php?f=13&t=665&p=5794#p5794

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YT5HOK
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Re: Hotspot mode failing after 2/10/2020 updated

Post by YT5HOK » Sat Feb 22, 2020 7:14 pm

I really can't get it to fail... Listening TG91 whole day, including CQWW... Still holding strong.
Marko

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kd2lh
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Re: Hotspot mode failing after 2/10/2020 updated

Post by kd2lh » Mon Feb 24, 2020 9:23 pm

PiStarFilter.jpg
PiStarFilter.jpg (129.76 KiB) Viewed 364 times
I've installed a torroid choke around both the power feed and signal feed USB connections to the Pi Zero W.

Now we'll see if it dumps out of hotspot mode...

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F1RMB
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Re: Hotspot mode failing after 2/10/2020 updated

Post by F1RMB » Tue Feb 25, 2020 5:22 am

Hi Marc,
kd2lh wrote:
Mon Feb 24, 2020 9:23 pm
PiStarFilter.jpg

I've installed a torroid choke around both the power feed and signal feed USB connections to the Pi Zero W.

Now we'll see if it dumps out of hotspot mode...
Okay, let's see.

Cheers.
---
Daniel
73 de Daniel.

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SQ7PTE
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Re: Hotspot mode failing after 2/10/2020 updated

Post by SQ7PTE » Tue Feb 25, 2020 10:06 am

It looks like this to me.
No problems whatsoever.
Regards.
Attachments
IMG_20200225_110317.jpg
IMG_20200225_110317.jpg (270.51 KiB) Viewed 340 times
Piotr SQ7PTE :roll:

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Re: Hotspot mode failing after 2/10/2020 updated

Post by VK3KYY » Tue Feb 25, 2020 10:13 am

SQ7PTE wrote:
Tue Feb 25, 2020 10:06 am
It looks like this to me.
No problems whatsoever.
Regards.
Wow...

Max power. 5W++!

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SQ7PTE
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Re: Hotspot mode failing after 2/10/2020 updated

Post by SQ7PTE » Tue Feb 25, 2020 10:17 am

5 ++ power all the time
Nothing happens. Works great. I note that on the 2m band
Range around 15km
Piotr SQ7PTE :roll:

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