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Re: Hidden menu and it's components
I have the same problem. I took the radio out away from any habitation and the radio was quiet. The amount of noise in to days urban environment is hideous. I use a large "Leisure" battery to power the radio out portable as far from any technology as I can. The signal meter goes to the bottom. I can hear you! Years ago out portable at a Scout camp I thought the receiver was
bust because it was so quiet. I did not believe getting out of the city
could so benefit the receiver. Is it possible you can do the same?
Paul G4IJL |
Re: Hidden menu and it's components
Thank you all for the advice for this matter. Truth is that I already have done what you suggest. Turned off the electricity from the mains, and run my rig on battery. Nothing changes. The source is not in my house and my other rig (Kenwood TS-140S) has the same reception as the 857.?
I suppose that all this QRM, or QRN has to do with two main sources. One is the tram, which runs about 200 meters form my home and the other is the trolley bus which runs 300 m at he opposite side! So I think that maybe I should try a QRM Eliminator, something like MFJ's 1026. I am looking for a device to make the test before I buy it of course. |
Re: Hidden menu and it's components
In my area I have a problem with noise from neighborhood electric fences sparking over, that annoyingly upsets the AGC level if I have it on.
I only recently learned from reading documentation on other rigs, that best practice is to use NB to deal with this. Logical once you realize it, but may not be quite that obvious. In recent months constantly experiencing very high noise levels (to the extent of finding it difficult to even receive commercial transmissions), I eventually decided replace the filters. Noise experience deteriorated quite rapidly over time since I started to notice it.. (Having eliminated other sources). Also from various bits and pieces I have read, the IPO provides more value regarding noise on lower frequency bands. Marius ZR6P From: FT-857@... <FT-857@...> Sent: Monday, March 11, 2019 11:22 PM To: FT-857@... Subject: RE: [FT-857] Hidden menu and it's components Where can I buy a 65 inch TV for $99? Tom K3TVC From: FT-857@... [mailto:FT-857@...] Sent: Monday, March 11, 2019 17:09 To: FT-857@... Subject: RE: [FT-857] Hidden menu and it's components I was thinking the same thing as yours and Mike's reply. My 857D is in the car and works beautifully. In the house it didn't do too well.. I live in a townhouse, and the close neighbors and cheap electronics has reeked havoc on the 857D as well as my 897D, which has been the home rig for the last 10+ years. I use AC line filters, 1:1 current baluns on the antennas, the attenuator knob, IPO, and the RF gain to work through the noise and make contacts. When I first got this rig, I thought it was bad from the factory because of the constant 20+ dB noise. Then I took it to a field and connected it to an inverted V out in the middle of nowhere for field day. The rig was perfectly quiet and signals were booming in. I worked many stations and had a blast. When I got home, the excitement was lost with 15-20 dB noise level. I have knocked the noise down with the things mentioned above, but when the neighbor turns on her $99.00 65" LCD TV, the noise returns. This is not the radio, but external factors. 73, --Hank KB4MTO / TA5ZC ----- Original Message ----- From: FT-857@... <mailto:[email protected]> To: <FT-857@... <mailto:FT-857@...> > Cc: Sent: Mon, 11 Mar 2019 16:09:11 -0400 Subject: RE: [FT-857] Hidden menu and it's components Preferably advice from someone who understands receiver circuitry or at least basic RF principles¡¡¡¡¡¡¡¡¡you don¡¯t have a sensitivity problem, you¡¯ve got one or more sources of RFI you need to locate. Lee KX4TT From: <mailto:FT-857@...> FT-857@... [ <mailto:FT-857@...> mailto:[email protected]] Sent: Monday, 11 March, 2019 16:02 To: <mailto:FT-857@...> FT-857@... Subject: Re: [FT-857] Hidden menu and it's components If someone is telling you the 857 is too sensitive to use with a 'base' antenna, beware because they are definitely blowing smoke somewhere that you really don't need smoke !! I would consider looking for advice from another source. Mike / W8DN |
Re: Hidden menu and it's components
Jk
¿ªÔÆÌåÓýNoise level at home is more likely? EMI generated and entering you¡¯re antenna.? Start by running your rig off a battery, ?shut off your AC circuit breakers. ? Likely your noise level dropped to almost s3. Start turning circuit breakers on one at a time. ?Keep track of what Lights and electronics are plugged into each circuit breaker.? I counted nine devices in my house that generate different levels of?EMI into my hf receivers Motion sensors, led lighting, microwave oven, soldering station, furnace, TV, you will have to unplug the nasty ones. Even wind blowing sand particles against antennas ?generate static. If you think it¡¯s your radio find a friend to bring a spare radio over and compare. ?Sometimes filters go bad in radios and cause weird problems as yours. ?But start with your EMI, k0var.? On Mar 11, 2019, at 3:09 PM, 'Lee. KX4TT' kx4tt@... [FT-857] <FT-857@...> wrote:
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Re: Hidden menu and it's components
John P Liddell
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On Mar 11, 2019, at 5:09 PM, 'Hank Lambert' hank@... [FT-857] <FT-857@...> wrote:
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Re: Hidden menu and it's components
Echoing Hanks comments, I love my 857D in the car.? It's funny when a Prius or Tesla passes me and I watch the meter go from S3 to S9+ and back down again.? I also learned to turn the pre amp off.? Makes a difference on receive.? Plus the DNR helps some.? Try running a horizontal receiving loop in the attic.....or a loop on ground in the back yard.? All signals will be down, but the noise is typically way down.? I like mine in the rear yard.? Good luck! Sent from AOL Mobile Mail On Monday, March 11, 2019 'Hank Lambert' hank <FT-857@...> wrote:
?
I was thinking the same thing as yours and Mike's reply. My 857D is in the car and works beautifully. In the house it didn't do too well.. I live in a townhouse, and the close neighbors and cheap electronics has reeked havoc on the 857D as well as my 897D, which has been the home rig for the last 10+ years. I use AC line filters, 1:1 current baluns on the antennas, the attenuator knob, IPO, and the RF gain to work through the noise and make contacts. When I first got this rig, I thought it was bad from the factory because of the constant 20+ dB noise. Then I took it to a field and connected it to an inverted V out in the middle of nowhere for field day. The rig was perfectly quiet and signals were booming in. I worked many stations and had a blast. When I got home, the excitement was lost with 15-20 dB noise level. I have knocked the noise down with the things mentioned above, but when the neighbor turns on her $99.00 65" LCD TV, the noise returns. This is not the radio, but external factors. 73, --Hank KB4MTO / TA5ZC https://www.hamradio.hanklambert.com
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Re: Hidden menu and it's components
¿ªÔÆÌåÓýWhere can I buy a 65 inch TV for $99? ? Tom K3TVC ? ? ? From: FT-857@... [mailto:FT-857@...]
Sent: Monday, March 11, 2019 17:09 To: FT-857@... Subject: RE: [FT-857] Hidden menu and it's components ? ? I was thinking the same thing as yours and Mike's reply. My 857D is in the car and works beautifully. In the house it didn't do too well.. I live in a townhouse, and the close neighbors and cheap electronics has reeked havoc on the 857D as well as my 897D, which has been the home rig for the last 10+ years. I use AC line filters, 1:1 current baluns on the antennas, the attenuator knob, IPO, and the RF gain to work through the noise and make contacts. ? When I first got this rig, I thought it was bad from the factory because of the constant 20+ dB noise. Then I took it to a field and connected it to an inverted V out in the middle of nowhere for field day. The rig was perfectly quiet and signals were booming in. I worked many stations and had a blast. When I got home, the excitement was lost with 15-20 dB noise level. ? I have knocked the noise down with the things mentioned above, but when the neighbor turns on her $99.00 65" LCD TV, the noise returns. This is not the radio, but external factors. ? 73, ? --Hank KB4MTO / TA5ZC ?
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Re: Hidden menu and it's components
I was thinking the same thing as yours and Mike's reply. My 857D is in the car and works beautifully. In the house it didn't do too well. I live in a townhouse, and the close neighbors and cheap electronics has reeked havoc on the 857D as well as my 897D, which has been the home rig for the last 10+ years. I use AC line filters, 1:1 current baluns on the antennas, the attenuator knob, IPO, and the RF gain to work through the noise and make contacts. When I first got this rig, I thought it was bad from the factory because of the constant 20+ dB noise. Then I took it to a field and connected it to an inverted V out in the middle of nowhere for field day. The rig was perfectly quiet and signals were booming in. I worked many stations and had a blast. When I got home, the excitement was lost with 15-20 dB noise level. I have knocked the noise down with the things mentioned above, but when the neighbor turns on her $99.00 65" LCD TV, the noise returns. This is not the radio, but external factors. 73, --Hank KB4MTO / TA5ZC https://www.hamradio.hanklambert.com
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Re: Hidden menu and it's components
I¡¯ve never heard of a radio receiver that is too sensitive! The easiest solution is to just turn the RF gain control down; it reduces the overall input from outside the radio. Then use the AF gain to increase the audio level of the signal in the radio. It may take a little juggling between the RF and AF gain controls for optimum sound, but you don¡¯t have to make any other complicated changes to your radio. That¡¯s why there is an RF gain control in your radio. This also works to reduce noise like Atmospheric or electrical since they are not AF signals. If you make any menu changes, you might have to change the RF/Squelch control from Squelch to RF
Bob, W7SCY. From: FT-857@... [mailto:FT-857@...] Sent: Monday, March 11, 2019 1:02 PM To: [email protected] Subject: Re: [FT-857] Hidden menu and it's components If someone is telling you the 857 is too sensitive to use with a 'base' antenna, beware because they are definitely blowing smoke somewhere that you really don't need smoke !! I would consider looking for advice from another source. Mike / W8DN On 3/8/2019 10:52 AM, sternface@... [FT-857] wrote:
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Re: Hidden menu and it's components
Tony F
I fully agree with Mike.
I own two FT-857¡¯s. One is the D model. I¡¯ve had the original FT-857 from about 2005 which has been mostly mobile and portable. They are a workhorse. The QRN you are referring to may be of many causes, hydro power lines, plasma television, etc. Remember antenna theory, the more the gain, more effective radiated output power and reception. So, in either case, the FT-857 is probably doing what it is supposed to be doing. Again, I suggect using the attenuator or the IPO. Tony VA7TF VE7ACF Sent from Mail for Windows 10 From: Mike Rhodes weightdn@... [FT-857] Sent: Monday, March 11, 2019 1:02 PM To: FT-857@... Subject: Re: [FT-857] Hidden menu and it's components ? If someone is telling you the 857 is too sensitive to use with a 'base' antenna, beware because they are definitely blowing smoke somewhere that you really don't need smoke !! I would consider looking for advice from another source. Mike / W8DN On 3/8/2019 10:52 AM, sternface@... [FT-857] wrote:
--- This email has been checked for viruses by AVG. [Non-text portions of this message have been removed] |
Re: Hidden menu and it's components
¿ªÔÆÌåÓýPreferably advice from someone who understands receiver circuitry or at least basic RF principles¡¡¡¡¡¡¡¡¡you don¡¯t have a sensitivity problem, you¡¯ve got one or more sources of RFI you need to locate. ? Lee KX4TT ? From: FT-857@... [mailto:FT-857@...]
Sent: Monday, 11 March, 2019 16:02 To: FT-857@... Subject: Re: [FT-857] Hidden menu and it's components ? ? If someone is telling you the 857 is too sensitive to use with a 'base' |
Re: Hidden menu and it's components
If someone is telling you the 857 is too sensitive to use with a 'base' antenna, beware because they are definitely blowing smoke somewhere that you really don't need smoke !! I would consider looking for advice from another source.
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Mike / W8DN On 3/8/2019 10:52 AM, sternface@... [FT-857] wrote:
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Re: Hidden menu and it's components
Tom
Michael, you may be better off to use the Attenuator or the IPO. Lowering the sensetivity in the hidden menu will basicly create just that. Tony VA7TF? VE7ACF
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Re: Hidden menu and it's components
Tom
Hi Michael, Every radio settings will be different. There is no "standard" setting due to parts tolerances. Record all the settings prior any changes.? There are listed settings from other hams on the net. The different settings will be somewhat near to each other.. Without proper test alignment equipment, one woukd be guessing. Make sure you know which settings you are changing. If you do the incorrect ones, you may eventually damage the rig, especially the power output settings, VSWR settings, etc. Tony VA7TF? VE7ACF
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Re: Hidden menu and it's components
Brad
¿ªÔÆÌåÓýEvery radio is different. without the right equipment to set it all up I would not even bother with it. send it to a service center and have them realign it for you then if you decide to make your own adjustments it is all on you. I would first find out what in your house is causing that high of
a signal on receive and find a way to eliminate it. On 3/8/2019 10:52 AM,
sternface@... [FT-857] wrote:
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Re: Hidden menu and it's components
¿ªÔÆÌåÓýMichael, Just manually turn down the RF gain with the knob behind (or the collar around) the AF gain control same effect without piddling with the menu settings.? Adjusting the receiver RF gain is the age old technique of mitigating QRM/QRN that seems to escape the younger generation.?? The military used to teach their radio ops a technique to reduce the RF gain until noise is gone or reduce then increase AF to suitable level.? Regards, Phil / K4PO ? ? |
Re: Heil Elite Pro Headset mic settings
If my memory serves me correctly, there are suggestions for various
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radio settings on the Heil website. Don WA7GTU On 2019-03-08 19:20, merlin_20832@... [FT-857] wrote:
I'm new to the group and have a new 857D. Does anyone have any |
Hidden menu and it's components
Hi everybody, I am using this radio at home, and I am being told that the Rx sensitivity is too much for a base antenna, since this radio is designed to operate mobile. Thanks in advance, Michael |