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Re: Spurious emissions?

 

Product Review - Xiegu X6100 HF/6-Meter QRP

73,
Steve
On Dec 19, 2023, at 5:35 PM, Sabra Ewing <sabra1023@...> wrote:

Are those legal or just inconvenient for the user? So they could've lied when they made this report? I can't read it because it's not that accessible. I wish they had a file or something that had it.
Sabra Ewing

On Dec 19, 2023, at 1:30?PM, Gary <w9td@...> wrote:

?According to the QST review, all harmonics were better than FCC requirements. They did not look for transmitted spurious but noted that there were numerous low-level receive spurious responses. Myself, I know there are some strong receive spurious responses.
Gary
W9TD

Re: Spurious emissions?

 

开云体育

Are those legal or just inconvenient for the user? So they could've lied when they made this report? I can't read it because it's not that accessible. I wish they had a file or something that had it.
Sabra Ewing

On Dec 19, 2023, at 1:30?PM, Gary <w9td@...> wrote:

?According to the QST review, all harmonics were better than FCC requirements. They did not look for transmitted spurious but noted that there were numerous low-level receive spurious responses. Myself, I know there are some strong receive spurious responses.
Gary
W9TD

Re: Spurious emissions?

 

If you want to take your electronics background a little further get a tinySA Ultra Spectrum analyzer and learn how to use its functions including the signal generator part. Of course you will need about 80 DB of attenuation for protecting the input. Between the NanoVNA and the tinySA, which are very reasonably priced by the way, you will have your own test equipment laboratory that makes the hobby so much more fun..
Re: Spurious emissions?

 

According to the QST review, all harmonics were better than FCC requirements. They did not look for transmitted spurious but noted that there were numerous low-level receive spurious responses. Myself, I know there are some strong receive spurious responses.
Gary
W9TD
Re: New version 0.19.0 #R1CBU-Firmware

 

I just installed ver. 19.? Up and working just fine! I'm working through the buttons and dials. Everything looks good and works well. TNX, Oleg!
--
KD6YKI - Mike
Re: Xiegu x6100 in combination with XPA125B issue

 

i have the same setujp. I use an EFHW antenna (wire in a tree!)). I had a serious common mode issue. I've put a choke (MFJ-915). It helps a lot, but I still have issues on 40 Meters. Have you tried various bands?? Just a thought, 73
--
KD6YKI - Mike
Re: Spurious emissions?

 

from the QST in depth:

During my testing I did find spurious tones on all bands. However,
these spurious tones were low enough on the HF bands that they were not
discernable when an antenna was connected. However, on 6 meter the
spurious tones varied from S3 to S7, and could be heard with an antenna
connected. They occurred every 100 kHz starting at 50.066 MHz.

And the main article said it met FCC limits for spurious transmissions

Jerry
----
Extra Ham Radio Operator: WF5W
Registered Linu=x User: 275424
3D CAD designer

The most exciting phrase to hear in science - the one that heralds new discoveries - is not "Eureka" but "That's funny...". - Isaac. Asimov


On Tue, Dec 19, 2023 at 2:22?AM <dg1smd@...> wrote:
Xiegu has the QST test report on their homepage:



73,

Rainer DG1SMD

Re: Xiegu x6100 in combination with XPA125B issue

 

I am quite new to this hobby... it is my first radio and? just got my ham radio license? a week ago... dummy load is on the way... when i receive it, I will update the status of the shack... if it is an RF issue as you say what can I do to fix this?
Re: Spurious emissions?

 

Xiegu has the QST test report on their homepage:



73,

Rainer DG1SMD
Re: Spurious emissions?

 

Someone messaged that it is in the July 2022 issue.? I haven’t read the review but if it was bad we would all know about by now.

On Mon, Dec 18, 2023 at 22:59 Sabra Ewing <sabra1023@...> wrote:
Is QST a magazine or something? Where would I find it? I've looked and looked about spurious emission testing and I can't find anything.

These results will not stop me from using the radio, but it will tell me what precautions I need to take to stay within US regulations.

Did the review say everything is fine or that you need to take special precautions to make sure you stay in compliance while using the radio? I am still looking forward to it and it's the only option For my needs and situation. But I need to know if I can relax and everything will be fine, or if I need to limit the transmissions through specialized antenna set ups and take other measures to stay in compliance.

If the Radio is compliant on its own, I could consider a multi band antenna although I'm probably not doing that anyways. It could be an option though. But if it is not compliant, a multi band antenna is not an option at all. I would need to use the antenna to try to prevent it from transmitting on its harmonics.

I feel like if it were really that spurious, people would be talking about it everywhere, but I suppose people wouldn't know if they were generating third, fourth, fifth, sixth, etc. order harmonics throughout the bands.

And there might be other ways I don't know about that it could do spurious emissions and not comply with the regulations of the US, which is where I am, in ways I don't know and I haven't thought of.

What if I ever used an amplifier later on? That could make those emissions worse and I wouldn't know that they had even been happening.

But maybe they aren't happening and everything is fine. But without testing how can we know? If someone is just using it and they say everything is fine, they either might not know that it is happening to them, or they could have by luck gone on bands or frequencies where they don't occur.

And again, I look forward to using it, but staying in strict compliance with US regulations is very important for my circumstances.
Sabra Ewing

On Dec 18, 2023, at 6:26?PM, K8SAS <k8sas73@...> wrote:

?
Lisa, the review of the x6100 is in the July 2022 issue of QST.

73,
Steve
On Dec 18, 2023, at 8:22 PM, "Lisa WO?L" <lr7521061@...> wrote:
I’m pretty sure that there is a QST review of the 6100.? Though I haven’t seen it it would contain much info on transmitter performance.

On Mon, Dec 18, 2023 at 18:32 Sabra Ewing <sabra1023@...> wrote:
If you could that would be great. Could you tell me what the data means since I don't know anything about it? I didn't realize you can have spurious emissions on receive so now I'm curious about spurious emissions on transmit and receive.

I'm sure the people from various countries here do not want to get in trouble with governing regulating entities, or volunteers helping to internally regulate as is done in some countries like the United States.

Will I need to be innovative with my antenna design to eliminate harmonics up and down every band or do I not have to worry about it?

You would think that if people were getting in trouble because of this radio it would be in the reviews.
Sabra Ewing

On Dec 18, 2023, at 1:04?PM, Ron Wright via <lt_wright_flg=[email protected]> wrote:

?
I have a good spectrum analyzer good to 1.5 GHz.? I have looked at other rigs, mostly VHF and UHF rigs.? Most of the Chinese rigs do look rather bad.

I might look at my X6100.

73, ron, n9ee/r

Ron Wright, N9EE/R
Hernando Co ARES EC
Spring Hill, Florida also n9ee55@...


On Monday, December 18, 2023 at 01:48:43 PM EST, Sabra Ewing <sabra1023@...> wrote:


I just wanted to make sure this Radio doesn't put out spurious emissions above appropriate levels. I am going to get mine tested if I can find a way to do so as I don't have the equipment for it.
?
For those of you who have the equipment, it would be cool if you could test your own radios and get back to us with the results.

Re: The Other X6100 Group

 

开云体育

In the United States, it is fine for unlicensed people to listen to Pam radios on whatever frequency they choose including HF as long as they don't transmit. How you would know a lot about radios and go through all the effort to set up HF and then not have your license I don't know but if you were in that situation. Or maybe someone else you know has already set it up and you listen or something.

Maybe enough of that and you would get your license so you could transmit.

Also, a lot of older ham radio operators don't know about computers. I don't want to go off of stereotypes, but this is what I think of when I think of my scenario of why someone could be on here who doesn't have a call sign.

What is you are college student trying to help your grandfather with this Radio. Maybe he has had his license for 35 years and is not good with computers. This being an SDR radio, you're fine setting it up for him, and keeping up-to-date on what is going on with the Radio.

Maybe he can set up the radio himself including the computer portion, but he doesn't go on things like this, so you are just keeping track of the news in case you need to tell him anything.

Or maybe you aren't sure if you will get your license, but you were thinking if I did get my license, what Radio would I get?

I know this message is getting too long. I'm just saying there are plenty of reason people could want to be in a group like this without having a call sign, and there are plenty of reasons that your email for other services does not match your QRZ email.

Some people can have five or six different email accounts because it's a good way to separate everything and having one email trying to get six separate inboxes doesn't work that well.

Maybe someone even uses a different email for the FCC because they have one email set aside specifically for government communications so they won't miss anything.

I guess even if I could have multiple accounts under one account on here, I wouldn't use my call sign email because that's not designed for groups and mailing lists. That's designed for the equivalent of QSL cards. And and then when everyone else has their call sign email that they also use only for that purpose it makes it convenient.
Sabra Ewing

On Dec 18, 2023, at 6:21?PM, Lisa WO?L <lr7521061@...> wrote:

?
Sometimes people can be shortsighted.? I don’t see having to have a callsign as being a valid necessity to joining a group.? We need to be more open and accepting to all with an interest, it just may lead to more people getting licensed.

On Mon, Dec 18, 2023 at 18:35 Sabra Ewing <sabra1023@...> wrote:
I didn't know there was another group.U need need a call sign to learn about the radio. What if someone is trying to learn about it for someone else who does have a call sign who doesn't have time to be on here? what if someone doesn't have a QRZ profile? I do for now, but was thinking of getting rid of it because they do not care about accessibility or universal design.
Sabra Ewing

On Dec 18, 2023, at 11:50?AM, Lisa WO?L <lr7521061@...> wrote:

?
I’m in both groups?

On Mon, Dec 18, 2023 at 12:49 secondchancesailor <jagillaspie@...> wrote:
I was just wondering if anyone here was also on the other X6100 group on ?? ?I am trying to learn everything I can about this radio, so I tried to also join the other group.? However, I was rejected because it said my callsign and email address don't match my QRZ profile (they do).? ?Has anyone else run into this?

Jim

Re: The Other X6100 Group

 

开云体育

I agree. Also my QRZ email doesn't match. QRZ is way more public, so I set up a specialized email with my call sign to use with it, and to give over the air so people could contact me there and I could give them this email if necessary. However, I'm in another group using this service that doesn't have to do with him Radio. So if I joined him radio groups using my call sign email, I would have to have two accounts. This thing is kind of difficult to use. I have to turn off emails a lot and go to the app or the website to look at my topics and switching between accounts would be a lot to handle.

If it would be like Google and let me have two emails on one account, that would be great. And for things that don't have to do with him Radio, using my call sign email in those groups would be kind of odd and not that appropriate. Plus, the whole reason I made that email is so ham radiocommunication can stay separate.

KSL cards are not accessible to me, so electronic communications would take their place, and if it's all jumbled up with my other emails that will be really hard.?

Plus, when emailing in a ham radio context, people can look up my call sign easily and that is what other people seem to be doing as well.

But even though this is ham Radio related, I can't use my call sign email on Groups.io. And then it would also be really hard to unsubscribe with my email and then resubscribe with my callsign email and have to explain that to group after group.

So basically I'm in the same boat. My email on here does not match my email on QRZ. And who knows how much longer I will have a QRZ profile because that website is very annoying.?
Sabra Ewing

On Dec 18, 2023, at 6:21?PM, Lisa WO?L <lr7521061@...> wrote:

?
Sometimes people can be shortsighted.? I don’t see having to have a callsign as being a valid necessity to joining a group.? We need to be more open and accepting to all with an interest, it just may lead to more people getting licensed.

On Mon, Dec 18, 2023 at 18:35 Sabra Ewing <sabra1023@...> wrote:
I didn't know there was another group.U need need a call sign to learn about the radio. What if someone is trying to learn about it for someone else who does have a call sign who doesn't have time to be on here? what if someone doesn't have a QRZ profile? I do for now, but was thinking of getting rid of it because they do not care about accessibility or universal design.
Sabra Ewing

On Dec 18, 2023, at 11:50?AM, Lisa WO?L <lr7521061@...> wrote:

?
I’m in both groups?

On Mon, Dec 18, 2023 at 12:49 secondchancesailor <jagillaspie@...> wrote:
I was just wondering if anyone here was also on the other X6100 group on ?? ?I am trying to learn everything I can about this radio, so I tried to also join the other group.? However, I was rejected because it said my callsign and email address don't match my QRZ profile (they do).? ?Has anyone else run into this?

Jim

Re: Spurious emissions?

 

开云体育

Is QST a magazine or something? Where would I find it? I've looked and looked about spurious emission testing and I can't find anything.

These results will not stop me from using the radio, but it will tell me what precautions I need to take to stay within US regulations.

Did the review say everything is fine or that you need to take special precautions to make sure you stay in compliance while using the radio? I am still looking forward to it and it's the only option For my needs and situation. But I need to know if I can relax and everything will be fine, or if I need to limit the transmissions through specialized antenna set ups and take other measures to stay in compliance.

If the Radio is compliant on its own, I could consider a multi band antenna although I'm probably not doing that anyways. It could be an option though. But if it is not compliant, a multi band antenna is not an option at all. I would need to use the antenna to try to prevent it from transmitting on its harmonics.

I feel like if it were really that spurious, people would be talking about it everywhere, but I suppose people wouldn't know if they were generating third, fourth, fifth, sixth, etc. order harmonics throughout the bands.

And there might be other ways I don't know about that it could do spurious emissions and not comply with the regulations of the US, which is where I am, in ways I don't know and I haven't thought of.

What if I ever used an amplifier later on? That could make those emissions worse and I wouldn't know that they had even been happening.

But maybe they aren't happening and everything is fine. But without testing how can we know? If someone is just using it and they say everything is fine, they either might not know that it is happening to them, or they could have by luck gone on bands or frequencies where they don't occur.

And again, I look forward to using it, but staying in strict compliance with US regulations is very important for my circumstances.
Sabra Ewing

On Dec 18, 2023, at 6:26?PM, K8SAS <k8sas73@...> wrote:

?
Lisa, the review of the x6100 is in the July 2022 issue of QST.

73,
Steve
On Dec 18, 2023, at 8:22 PM, "Lisa WO?L" <lr7521061@...> wrote:
I’m pretty sure that there is a QST review of the 6100.? Though I haven’t seen it it would contain much info on transmitter performance.

On Mon, Dec 18, 2023 at 18:32 Sabra Ewing <sabra1023@...> wrote:
If you could that would be great. Could you tell me what the data means since I don't know anything about it? I didn't realize you can have spurious emissions on receive so now I'm curious about spurious emissions on transmit and receive.

I'm sure the people from various countries here do not want to get in trouble with governing regulating entities, or volunteers helping to internally regulate as is done in some countries like the United States.

Will I need to be innovative with my antenna design to eliminate harmonics up and down every band or do I not have to worry about it?

You would think that if people were getting in trouble because of this radio it would be in the reviews.
Sabra Ewing

On Dec 18, 2023, at 1:04?PM, Ron Wright via <lt_wright_flg=[email protected]> wrote:

?
I have a good spectrum analyzer good to 1.5 GHz.? I have looked at other rigs, mostly VHF and UHF rigs.? Most of the Chinese rigs do look rather bad.

I might look at my X6100.

73, ron, n9ee/r

Ron Wright, N9EE/R
Hernando Co ARES EC
Spring Hill, Florida also n9ee55@...


On Monday, December 18, 2023 at 01:48:43 PM EST, Sabra Ewing <sabra1023@...> wrote:


I just wanted to make sure this Radio doesn't put out spurious emissions above appropriate levels. I am going to get mine tested if I can find a way to do so as I don't have the equipment for it.
?
For those of you who have the equipment, it would be cool if you could test your own radios and get back to us with the results.

Re: Spurious emissions?

 

Lisa, the review of the x6100 is in the July 2022 issue of QST.

73,
Steve
On Dec 18, 2023, at 8:22 PM, "Lisa WO?L" <lr7521061@...> wrote:

I’m pretty sure that there is a QST review of the 6100.? Though I haven’t seen it it would contain much info on transmitter performance.

On Mon, Dec 18, 2023 at 18:32 Sabra Ewing <sabra1023@...> wrote:
If you could that would be great. Could you tell me what the data means since I don't know anything about it? I didn't realize you can have spurious emissions on receive so now I'm curious about spurious emissions on transmit and receive.

I'm sure the people from various countries here do not want to get in trouble with governing regulating entities, or volunteers helping to internally regulate as is done in some countries like the United States.

Will I need to be innovative with my antenna design to eliminate harmonics up and down every band or do I not have to worry about it?

You would think that if people were getting in trouble because of this radio it would be in the reviews.
Sabra Ewing

On Dec 18, 2023, at 1:04?PM, Ron Wright via <lt_wright_flg=[email protected]> wrote:

?
I have a good spectrum analyzer good to 1.5 GHz.? I have looked at other rigs, mostly VHF and UHF rigs.? Most of the Chinese rigs do look rather bad.

I might look at my X6100.

73, ron, n9ee/r

Ron Wright, N9EE/R
Hernando Co ARES EC
Spring Hill, Florida also n9ee55@...


On Monday, December 18, 2023 at 01:48:43 PM EST, Sabra Ewing <sabra1023@...> wrote:


I just wanted to make sure this Radio doesn't put out spurious emissions above appropriate levels. I am going to get mine tested if I can find a way to do so as I don't have the equipment for it.
?
For those of you who have the equipment, it would be cool if you could test your own radios and get back to us with the results.

Re: Spurious emissions?

 

I’m pretty sure that there is a QST review of the 6100.? Though I haven’t seen it it would contain much info on transmitter performance.

On Mon, Dec 18, 2023 at 18:32 Sabra Ewing <sabra1023@...> wrote:
If you could that would be great. Could you tell me what the data means since I don't know anything about it? I didn't realize you can have spurious emissions on receive so now I'm curious about spurious emissions on transmit and receive.

I'm sure the people from various countries here do not want to get in trouble with governing regulating entities, or volunteers helping to internally regulate as is done in some countries like the United States.

Will I need to be innovative with my antenna design to eliminate harmonics up and down every band or do I not have to worry about it?

You would think that if people were getting in trouble because of this radio it would be in the reviews.
Sabra Ewing

On Dec 18, 2023, at 1:04?PM, Ron Wright via <lt_wright_flg=[email protected]> wrote:

?
I have a good spectrum analyzer good to 1.5 GHz.? I have looked at other rigs, mostly VHF and UHF rigs.? Most of the Chinese rigs do look rather bad.

I might look at my X6100.

73, ron, n9ee/r

Ron Wright, N9EE/R
Hernando Co ARES EC
Spring Hill, Florida also n9ee55@...


On Monday, December 18, 2023 at 01:48:43 PM EST, Sabra Ewing <sabra1023@...> wrote:


I just wanted to make sure this Radio doesn't put out spurious emissions above appropriate levels. I am going to get mine tested if I can find a way to do so as I don't have the equipment for it.
?
For those of you who have the equipment, it would be cool if you could test your own radios and get back to us with the results.
Re: The Other X6100 Group

 

Sometimes people can be shortsighted.? I don’t see having to have a callsign as being a valid necessity to joining a group.? We need to be more open and accepting to all with an interest, it just may lead to more people getting licensed.

On Mon, Dec 18, 2023 at 18:35 Sabra Ewing <sabra1023@...> wrote:
I didn't know there was another group.U need need a call sign to learn about the radio. What if someone is trying to learn about it for someone else who does have a call sign who doesn't have time to be on here? what if someone doesn't have a QRZ profile? I do for now, but was thinking of getting rid of it because they do not care about accessibility or universal design.
Sabra Ewing

On Dec 18, 2023, at 11:50?AM, Lisa WO?L <lr7521061@...> wrote:

?
I’m in both groups?

On Mon, Dec 18, 2023 at 12:49 secondchancesailor <jagillaspie@...> wrote:
I was just wondering if anyone here was also on the other X6100 group on ?? ?I am trying to learn everything I can about this radio, so I tried to also join the other group.? However, I was rejected because it said my callsign and email address don't match my QRZ profile (they do).? ?Has anyone else run into this?

Jim

Re: The Other X6100 Group

 

I had the same problem because my qrz email was not the same as the email I used to join this group. I changed my qrz email so that it synced up with the Group.io and it still got rejected...over and over again. I submitted it one last time with a note telling the moderator to stop using AI to filter the new members and whatdaya know....it got approved.
Re: The Other X6100 Group

 

开云体育

I didn't know there was another group.U need need a call sign to learn about the radio. What if someone is trying to learn about it for someone else who does have a call sign who doesn't have time to be on here? what if someone doesn't have a QRZ profile? I do for now, but was thinking of getting rid of it because they do not care about accessibility or universal design.
Sabra Ewing

On Dec 18, 2023, at 11:50?AM, Lisa WO?L <lr7521061@...> wrote:

?
I’m in both groups?

On Mon, Dec 18, 2023 at 12:49 secondchancesailor <jagillaspie@...> wrote:
I was just wondering if anyone here was also on the other X6100 group on ?? ?I am trying to learn everything I can about this radio, so I tried to also join the other group.? However, I was rejected because it said my callsign and email address don't match my QRZ profile (they do).? ?Has anyone else run into this?

Jim

Re: Spurious emissions?

 

开云体育

If you could that would be great. Could you tell me what the data means since I don't know anything about it? I didn't realize you can have spurious emissions on receive so now I'm curious about spurious emissions on transmit and receive.

I'm sure the people from various countries here do not want to get in trouble with governing regulating entities, or volunteers helping to internally regulate as is done in some countries like the United States.

Will I need to be innovative with my antenna design to eliminate harmonics up and down every band or do I not have to worry about it?

You would think that if people were getting in trouble because of this radio it would be in the reviews.
Sabra Ewing

On Dec 18, 2023, at 1:04?PM, Ron Wright via groups.io <lt_wright_flg@...> wrote:

?
I have a good spectrum analyzer good to 1.5 GHz.? I have looked at other rigs, mostly VHF and UHF rigs.? Most of the Chinese rigs do look rather bad.

I might look at my X6100.

73, ron, n9ee/r

Ron Wright, N9EE/R
Hernando Co ARES EC
Spring Hill, Florida also n9ee55@...


On Monday, December 18, 2023 at 01:48:43 PM EST, Sabra Ewing <sabra1023@...> wrote:


I just wanted to make sure this Radio doesn't put out spurious emissions above appropriate levels. I am going to get mine tested if I can find a way to do so as I don't have the equipment for it.
?
For those of you who have the equipment, it would be cool if you could test your own radios and get back to us with the results.
Re: New version 0.19.0 #R1CBU-Firmware

 

On Mon, Dec 18, 2023 at 08:45 PM, W6WYN wrote:
Latest updates indeed do not function well, as Scott and I reported.
You would make my life a lot easier if you provided real comparisons of versions. For example, using a second (reference) transceiver loaded onto the equivalent of an antenna from which telegraph transmission would take place. But apparently I'll have to do it myself. And for some reason I’m sure you won’t like the result.
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