Allen is a great guy. He phoned me personally to discuss which vac relay
best fitted my needs before shipping anything, and as a result I was able to
get a couple of Kilovac HC-1s that he had just gotten in, used but in
like-new condition. Very satisfied with MGS, I recommend them.
Bill W5WVO
--------------------------------------------------
From: "Pete Smith" <n4zr@contesting.com>
Sent: Thursday, April 08, 2010 3:35 PM
To: <amps@contesting.com>
Subject: Re: [Amps] SB220 SICK...RELAY
> However, Allen Bond at www.mgs4u.com sells a wide range of vacuum relays
> and other high power stuff, both new and from surplus for very
> reasonable prices, and he stands behind his goods 100 percent. No
> connection, just a satisfied customer.
>
> 73, Pete N4ZR
>
> The World Contest Station Database, updated daily at
> www.conteststations.com
> The Reverse Beacon Network at http://reversebeacon.net, blog at
> reversebeacon.blogspot.com
>
>
> On 4/8/2010 8:47 AM, TexasRF@aol.com wrote:
>> Roger and all, re: Chinese vacuum relays:
>>
>> I have purchased a couple of these from Gigavac in the last year. I have
>> to
>> say that they work great and look great. I would buy more as needed
>> without hesitation.
>>
>> If you let them know it for ham radio use, you get a big discount in
>> price.
>> The last one I purchased was rated for about 20kv and 25 A cost about
>> $150. I have seen old (and leaky vacuum) relays on Ebay for more $$.
>>
>> You can get exactly what you need, hot switch, not hot switch, mounting
>> arrangement, coil voltage, n/o, n/c, double throw so no need to improvise
>> the
>> circuit to fit what you find surplus or used. The sales rep will find the
>> needed version in a flash and take your credit card order in two
>> flashes.
>>
>> 73,
>> Gerald K5GW
>>
>>
>>
>>
>> In a message dated 4/7/2010 9:28:30 P.M. Central Daylight Time,
>> sub1@rogerhalstead.com writes:
>>
>>
>>
>> JayKay wrote:
>>
>>> Thanks to all for your inputs. I am going to try cleaning the relay
>>>
>> contacts and watch alignment, etc.
>>
>>> If I can't get it going (contacts beyond repair), I would like to
>>>
>> replace the relay but a quick Google shows the KA-3702 relay by PB
>> doesn't exist.
>>
>>
>>>
>>>
>> Go to Mouser and try to find a how ever many pole relay with the same
>> ratings and pin out. You might not be able to find a direct pin for pin
>> replacement, but that's better than having to rig up something. If
>> you're a CW op this would be a good opportunity to go QSK. However It's
>> really difficult to find any suitable US made vacuum relays any more.
>> Word is that many now say "made in China". I'd probably go for some of
>> the Russian surplus vacuum relays.
>>
>> 73
>>
>> Roger (K8RI)
>>
>>> My thinking is to grab the 120VDC present in the rig and regulate it
>>>
>> down to 5VDC or 12VDC (once I know the resistance of the coil) and then
>> get a
>> 10 amp 3PDT relay. It will also make it easier to interface with newer
>> rigs
>> that don't like 120V switched to ground through their internal relays.
>>
>>> I could use a series resistor (with the R of the coil) to step it down
>>>
>> but I don't want to hot switch 120V (at T = 0) to any external relays
>>
>>> 1) Anyone have the KA-3702 relay or a source?
>>>
>>> 2) Additional comments?
>>>
>>> 3) Relay recommendations?
>>>
>>> Thanks
>>>
>>> Jay
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>>
>>>
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>>
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