[Elecraft] OT - American hamming in UK
David Ferrington, M0XDF
M0XDF at Alphadene.co.uk
Fri Nov 30 13:03:47 EST 2007
I don't know if its a rebrand - I believe Watson is actually the
manufacturing arm of WATers and StantON - but I guess they don't actually
manufacture, just design/spec etc.
And I have not put a scope on this, I just didn't notice any RFI while using
it.
On 30/11/07 17:54, "Doug Faunt N6TQS +1-510-655-8604" <faunt at panix.com>
sent:
> Well, I see that David says it's quiet at RF-
> "Its very small, quiet - both physical and appears to be on RF too"
>
> I only see a 14A PS from Jetstream that's the same size- is that what
> you tested?
>
> And since W&S rebranded it, they may have changed other
> characteristics, too.
>
> It'd be interesting to see how the W&S unit did on a test bench, since
> it does look attractive.
>
> I've had reliability problems with the MFJ-4125, although the unit appears
> to be robust now, after two trips to MFJ, and some rework by myself.
> But I tend to work it hard, DXpedition and contest RTTY.
>
> BTW, I have found that not all equipment is more expensive in the UK.
> I have a TH-D7E that was cheaper in the UK (and had bandpass filters
> for the 430-440 satellite band, instead of 440-450).
> You just have to shop carefully.
>
> 73, doug
> M0BPI at times
>
> Date: Fri, 30 Nov 2007 11:36:30 -0600
> From: dave <hottell at gulftel.com>
>
> I'd be interested in hearing if that unit has RFI problems. I had one
> that looked identical to that, with the brand "Jetstream" on it, on a
> spectrum analyzer a day or two ago. Appeared to produce lots of RF
> hash. Might be OK across a battery, but looked really bad by itself
> (hash at -80 dBm or so). The hash was riding the power cord as well as
> the output terminals. Did not do a through check, not enough time, just
> a quick look.
>
>
> Doug Faunt N6TQS +1-510-655-8604 wrote:
>> It's about the same size at the MFJ-4125, and W&S may have a better
>> reputation than MFJ.
>> It does look like a nice piece of kit, but what kind of warranty
>> coverage does W&S give to non-resident purchasers?
>>
>> The price is very good, in fact, especially if W&S will do the required
>> paper work for a VAT refund.
>>
>> 73, doug
>>
>> Date: Fri, 30 Nov 2007 10:58:35 +0000
>> From: "David Ferrington, M0XDF" <M0XDF at Alphadene.co.uk>
>>
>> On the PSU - why not buy one here (I guess exchange rate might be an
>> issue),
>> I'm using a Watson Power-Mite, purchased from Walters & Stanton (Watson is
>> their kit)
>>
>> http://www.wsplc.com/acatalog/Watson_Mains_Power_Supplies.html
>> should be the first item on that page
>>
>> Its very small, quiet - both physical and appears to be on RF too
>> Has switchable input voltage, so when you take it back it will work - it
>> should work in any country I would have thought.
>> A few nice features:
>> * uses a standard power cord with 'normal' PC style 3 pin - just take the
>> right cord for the country (anyone know right code for that kind of plug).
>>
>> * fan can run in auto mode or permanent on, it didn't come on much when I
>> used it with my FT-857 in the summer.
>>
>> * short-circuit and over-voltage protection
>>
>> * adjustable voltage, so if you don't really need another supply at home,
>> use it on the bench etc.
>>
>> since you're staying with family, have it delivered to them or get them to
>> purchase for you, W&S have a shop in the Midlands and Scotland too.
>>
>>
>> I haven't used the Alinco one, but it has an adjustment to compensate for
>> the RF it produces.
>>
>>
>> On 30/11/07 03:00, "Mike Geddes" <geddes at tampabay.rr.com> sent:
>>
>> 2) Suggestions for a nice portable 20a
>>> switching power supply? I am looking for a smaller unit I can include in
>>> the case with the radio. And it must have 110/220v power options. I saw an
>>> Alinco that seemed to fit the bill. I welcome your ideas.
>>
>> --
>> All the world's a stage and most of us are desperately unrehearsed.
>> -Sean O'Casey, playwright (1880-1964)
>>
>>
>>
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