Here is the link
https://packetradio.com/catalog/index.php?main_page=product_info&cPath=11&products_id=1938
look for b2kliso
They call it a line isolator and it costs $39.95. Magic here, they
really worked.
73
Butch
WA0VJR
Node 3148
Wallace, ks.
On
Tue, 19 Jan 2016, Tom Behler wrote:
> Hey, Butch.
>
> Can you send me the info on that toroid line isolator?
>
> Where did you get it?
>
> Where did you put the line isolator itself? Did you put it at the station
> end, or at the antenna feed point?
>
> I too have some RFI problems here that I'm trying to resolve.
>
> They are not terribly serious, but should still be addressed.
>
>
> Tom Behler: KB8TYJ
>
>
>
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Butch Bussen
> Sent: Tuesday, January 19, 2016 11:43 AM
> To: [log in to unmask]
> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power Supply?
>
> What I used here to get rid of rf in the 590 was an in line thing, think
> just toroids, but it was magic. Just plastic pipe with an so 239 on each
> end. I think they cost $40. I can find the u r l if anyone wants them. I
> had terrible rf with the 590, didn't have with 2000 on exactly same setup.
> Anyhow put in one of these and rf in audio just gone..
> 73
> Butch
> WA0VJR
> Node 3148
> Wallace, ks.
>
>
> On
> Sun, 17 Jan 2016, Tom Behler wrote:
>
>> Ed:
>>
>> Where do you get your snap-on toroids?
>>
>> Tom Behler: KB8TYJ
>>
>>
>> -----Original Message-----
>> From: For blind ham radio operators
>> [mailto:[log in to unmask]]
>> On Behalf Of Ed Malmgren
>> Sent: Saturday, January 16, 2016 11:28 PM
>> To: [log in to unmask]
>> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power Supply?
>>
>> I've often wondered how many of the snap on toroids it takes to equal the
> 8
>> or 9 turns of coax. I just use 4 or 5 and have not had any rf in the
>> shack. 73
>>
>>
>>
>> ED K7UC
>> -----Original Message-----
>> From: Tom Fowle
>> Sent: Saturday, January 16, 2016 8:13 PM
>> To: [log in to unmask]
>> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power Supply?
>>
>> richard,
>> As you may know there are two types, the easy way is just about 7 or 8
>> turns of your coax around about a 6 or 8 inch form like a 2 liter soda
> bottle.
>> This should be as close to the antenna feed point as possible.
>> Hopefully you've some extra cable in the run somewhere so you don't have
> to add more.
>> The other type of common mode choke is the ferite bead type which is
>> maybe easier to install but more expensive.
>>
>> tom Fowle WA6IVG
>>
>> On Sat, Jan 16, 2016 at 07:52:17AM -0800, Richard B. McDonald wrote:
>>> Hi Tom!
>>>
>>> No, I do not have a common mode choke, but I think I am going to get one!
>>>
>>> 73,
>>> Richard KK6MRH
>>>
>>> -----Original Message-----
>>> From: For blind ham radio operators
>>> [mailto:[log in to unmask]]
>>> On Behalf Of Tom Fowle
>>> Sent: Friday, January 15, 2016 5:59 PM
>>> To: [log in to unmask]
>>> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power
> Supply?
>>>
>>> richard,
>>> I forget if you said whether you have a common mode choke in the coax
>>> to your antenna?
>>> That's always a first try at keeping R.F. out of where it doesn't belong.
>>>
>>> Also you could try disconnecting the ground from the power supply,
>>> and/or making that individual ground wire a bit longer and taking a
>>> few turns of it through a ferite core near the supply.
>>>
>>> Yes it's closer to sorcery than science! <GRIN>
>>>
>>> good luck
>>> Tom Fowle WA6IVG
>>>
>>> On Fri, Jan 15, 2016 at 11:11:43AM -0500, Steve Forst wrote:
>>>> Dave,
>>>>
>>>> I'm not an electrician or a doctor (although I played one when I was
>>>> 6), but my understanding is that the National Electric Code (NEC)
>>>> mandates
>>>> that all grounds should be bonded to the electric mains ground.
>>>>
>>>> I'm sure others with more experience will chime in.
>>>>
>>>> 73, if you are on the 20 meter net Sunday, try the processor, it
>>>> brought you up a bit on 40 last Sunday when you were chatting with
>>> Junior.
>>>> Steve KW3A
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 1/15/2016 10:54 AM, David Weigel wrote:
>>>>> Hi, Richard, Steve and readers:
>>>>> It is always interesting to learn about the various ways to reduce
>>>>> or eliminate RF in the radio room. I was wondering if it would be
>>>>> a better practice or at least worth a try to NOT connect the 2
>>>>> ground rods together electrically. I was thinking that the 120 VAC
>>>>> ground rod might create a low volume "buzz" or spiky noise, coming
>>>>> back on the separate equipment-ground rod pathway. But I could
>> be wrong.
>>>>> And, as Steve suggested earlier, my preference is to place ferrite
>>>>> clamps on all cables, jumpers, etc. "Line Isolators are
>>>>> recommended by The Radio Works, particularly when there are
>>>>> extraordinary length connections to ground rods, or when there can
>>>>> be no ground rodds whatsoever. although I have never used them.
>>>>> Just stirring the pot,
>>> slowly.
>>>>>
>>>>> Dave Weigel KD4JEZ
>>>>>
>>>>> -----Original Message-----
>>>>> From: For blind ham radio operators
>>>>> [mailto:[log in to unmask]]
>>>>> On Behalf Of Steve Forst
>>>>> Sent: Friday, January 15, 2016 10:16 AM
>>>>> To: [log in to unmask]
>>>>> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power
>>> Supply?
>>>>>
>>>>> Ok, I misunderstood. The way I had read the other post, I had
>>>>> thought
>>>>> that you were running several wires from the shack to the outside
>>>>> rod,
>>>>> one for each piece of gear. That wouldn't be a good idea. Sounds
>>>>> like you have a good handle on the ground side of things.
>>>>>
>>>>> 73, Steve KW3A
>>>>>
>>>>> On 1/15/2016 9:55 AM, Richard B. McDonald wrote:
>>>>>> Hi Steve!
>>>>>>
>>>>>> Yes, indeed, this whole RFI thing looks to be not just a bitch
>>>>>> (pardon the
>>>>>> French) but also a bit more art and trial and error rather than
>>> science!
>>>>>> Following is a bit more of an explanation of my present ground
>>>>>> wire
>>> setup.
>>>>>>
>>>>>> Inside the shack is a ground bus (I think that is what it is
>>>>>> called, a.k.a., a "common point") that has about five terminals.
>>>>>> Attached to each of these terminals is a length of 14 gauge
>>>>>> insolated stranded copper wire that attaches to equipment either
>>>>>> by its ground post (wing
>>>>>> nut) or in the case of my PC and TS-2000's power supply by
>>>>>> attaching the ground wire to a chassis screw (because they have no
>>>>>> dedicated grounding post). The length of each of these ground
>>>>>> wires varies from ~3' to ~7' depending on the distance of the
>>>>>> respective equipment to the bus. From the bus there is a single
>>>>>> ~6" ~10 gauge insolated wire that goes through the wall into my
>>>>>> garage and attaches to an 8' copper ground rod which is sunk into
>>>>>> the ground with only ~6" of it sticking up. About 6" away from
>>>>>> this ground rod is a second ground rod attached to which is AC
>>> grounding for all AC power into the shack.
>>>>>> Then, both of these ground rods are connected together by heavy
>>>>>> copper
>>>>> wire. This electrical work was done by a professional electrician.
>>>>>>
>>>>>> So, I do not think it is really possible to shorten the lengths of
>>>>>> these separate ground wires, and then attach all of them to a
>>>>>> single wire running to the bus. These wires are already about as
>>>>>> short as they can be. I do understand and agree that, in most
>>>>>> situations, the distance from the bus and the ends of separate
>>>>>> ground wires is longer; in which case a single wire
>>>>>> *should* bridge that distance.
>>>>>>
>>>>>> HTH & 73,
>>>>>> Richard KK6MRH
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: For blind ham radio operators
>>>>>> [mailto:[log in to unmask]]
>>>>>> On Behalf Of Steve Forst
>>>>>> Sent: Thursday, January 14, 2016 6:41 PM
>>>>>> To: [log in to unmask]
>>>>>> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's Power
>>> Supply?
>>>>>>
>>>>>> Richard,
>>>>>>
>>>>>> Grounding questions are one of those things in the hobby that will
>>>>>> get you a multitude of contradictory suggestions.
>>>>>>
>>>>>> If you try them all, you will probably find one that works for you.
>>>>>>
>>>>>> I think all would agree that running multiple ground wires from each
>>>>>> piece of gear in the shack to a ground rod is a bad idea. Usual
>>>>>> practice is to run short pieces of grounding wire from each piece
>>>>>> of gear to a common grounding point in the shack, with wires
>>>>>> being as
>>>>>> short as possible. Then a single heavy conductor to the ground rod.
>>>>>>
>>>>>> Another problem is the length of the wire (or wires in your case)
>>>>>> from the equipment to the ground rod. If the wrong length, it
>>>>>> (they) will radiate like an antenna.
>>>>>>
>>>>>> What is the length from the shack to the ground rod?
>>>>>>
>>>>>>
>>>>>> Good luck, 73, Steve KW3A
>>>>>>
>>>>>> On 1/14/2016 9:08 PM, Richard B. McDonald wrote:
>>>>>>> Hey Steve!
>>>>>>>
>>>>>>> You said it! This high power stuff is gnarly! I will try
>>>>>>> ferrite if it persists. The antenna is about 40' from the shack.
>>>>>>>
>>>>>>> following is information about my grounding system. About 10'
>>>>>>> from the shack, I have two copper 8' ground rods sunk into the
>>>>>>> ground.
>>>>>>> All 120V AC into the shack is grounded to one of them.
>>>>>>> Connected to the other ground rod is a terminal; attached to
>>>>>>> which are about five separate 14 gauge copper wires each of which
>>>>>>> goes to equipment in the shack (rig, tuner, PC, amp, etc.).
>>>>>>> then, both ground rods are connected with a 10 gauge wire. For
>>>>>>> the power supply which is shutting down, I just attached yet
>>>>>>> another ground wire, and I also wrapped its AC power cord in tin
>>>>>>> foil. I have not yet tested to see if it still shuts down with
>>>>>>> these new two grounding/shielding
>>>>>> improvements.
>>>>>>>
>>>>>>>
>>>>>>> 73,
>>>>>>> Richard KK6MRH
>>>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: For blind ham radio operators
>>>>>>> [mailto:[log in to unmask]]
>>>>>>> On Behalf Of Steve Forst
>>>>>>> Sent: Thursday, January 14, 2016 7:27 AM
>>>>>>> To: [log in to unmask]
>>>>>>> Subject: Re: How to Stop RFI from Shutting Down My TS-2000's
>>>>>>> Power
>>>>> Supply?
>>>>>>>
>>>>>>> Richard,
>>>>>>>
>>>>>>> Welcome to the world of high power. How do you have the radio
>>>>>>> grounded? How close is the antenna to the operating position?
>>>>>>>
>>>>>>> I would invest in some ferrites. E-bay is a good source. I
>>>>>>> would
>>>>>>> clamp the AC line to the power supply, and the 12 vdc line
>>>>>>> coming
>>> out.
>>>>>>> Also clamp everything connected to the radio/amp (coax,
>>>>>>> power,
>>>>>>> control cables, etc.). The other school of thought is to only
>>>>>>> clamp
>>>>>>> things until you find the one that is the problem.
>>>>>>>
>>>>>>> If your antenna is 5 feet from your operating position, things
>>>>>>> may be more problematic. As Ron suggests, antenna/feedline/balun
>>>>>>> may be
>>> the
>>>>>>> culprit. Sometimes this stuff is hard to solve, glad you have
>>>>>>> help
>>> on
>>>>>>> site.
>>>>>>>
>>>>>>>
>>>>>>> 73, good luck, Steve KW3A
>>>>>>>
>>>>>>> On 1/14/2016 9:48 AM, Richard B. McDonald wrote:
>>>>>>>> Hi!
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> In the process of setting up my Ameritron ALS-1306 amp with my
>>>>>>>> Kenwood
>>>>>>>> TS-2000 and an MFJ 998 tuner, sometimes RFI shuts down the
>>>>>>>> TS-2000's power supply. My Elmer is convinced it is RFI because
>>>>>>>> 1) it seems only to
>>>>>>> happen
>>>>>>>> on 20M (so far, anyway) and 2) it only happens when we crank-up
>>>>>>>> the
>>>>>>>> 1306 beyond ~200W. The 1306 is on a totally different,
>>>>>>>> dedicated power
>>>>>> line:
>>>>>>>> 240V. The TS-2000's power supply is on the household's 120V.
>>>>>>>> The power supply for the TS-2000 is an Astrin SS-30
>>>>>>>> <https://www.hamcity.com/store/pc/SS-30-p363.htm> . So, what
>>>>>>>> can I do to stop this?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> 73,
>>>>>>>>
>>>>>>>> Richard KK6MRH
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>
>>
>
>
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