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Re: [TowerTalk] I.C.E. Vendors

To: "'Ward Silver'" <hwardsil@gmail.com>, "'Towertalk Reflector'" <towertalk@contesting.com>
Subject: Re: [TowerTalk] I.C.E. Vendors
From: "W7RIS" <w7ris.arrl@softgoals.com>
Reply-to: W7RIS@ARRL.NET
Date: Fri, 8 Apr 2011 13:48:48 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
There are 7 capacitors required to build this kit. Yes DigiKey lists the
parts but half of the capacitors required for the kit show '0' stock and
none on backorder. This includes looking for substitutes of any voltage or
tolerance. I know back 10+ years ago I didn't have any problems finding
these parts. But not so in today's economy. 

I still stand with my original conclusion; the parts need to build the ARRL
unit does not seem to be readably available at this time. 

Mike - W7RIS

-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Ward Silver
Sent: Friday, April 01, 2011 11:08 AM
To: W7RIS@ARRL.NET; 'Towertalk Reflector'
Subject: Re: [TowerTalk] I.C.E. Vendors

All of the specified values are available and appear to be in stock:

http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=131088&k=polypropyl
ene%20capacitor

I don't know if W3NQN changed the values from an earlier version but take 
another look.  Good luck!

73, Ward N0AX

----- Original Message ----- 
From: "W7RIS" <w7ris.arrl@softgoals.com>
To: "'Ward Silver'" <hwardsil@gmail.com>; "'Towertalk Reflector'" 
<towertalk@contesting.com>
Sent: Friday, April 01, 2011 12:49 PM
Subject: RE: [TowerTalk] I.C.E. Vendors


> We looked at the BCB Filter in the ARRL Handbook. The problem is when we
> tried to find the parts to build one of these units. Looking at DigiKey 
> and
> other parts retailer. We could only find about half of the required
> capacitors. Even trying to put multiple capacitors in parallel, we still
> could not come up with the right values.
>
> My conclusion is, the parts needed to build the ARRL unit does not seem to
> be readably available at this time.
>
> Mike - W7RIS
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Ward Silver
> Sent: Friday, April 01, 2011 10:32 AM
> To: Towertalk Reflector
> Subject: Re: [TowerTalk] I.C.E. Vendors
>
> All recent Handbooks also have the W3NQN BC Band Reject filter design in 
> the
> RF and AF Filters chapter. (pp 11.44-45 in the 2011 edition)  The filter 
> can
> also be built with air-wound coils in a larger enclosure.
>
> 73, Ward N0AX
>
>> Call Bob, W5OV at Array Solutions.
>>
>> They have a W3NQN BCB reject - high pass filter that cures the RX BCI
>>
>> 73,
>> Tim K3LR
>>
>>> I hope this is not too far off the venue but can anyone assist me on
> Vendors
>>> that carry I.C.E. filters...I am dead in the water on 160 due to BCI
> ...tnx
>>> Dick..W4NTG
>
>
> _______________________________________________
>
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>
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