SB-303 noise blanker

[KD2E]

Well, the Drake noise blanker in my R4C is about the best I have come
across. The Heath one is not as good, but is EXTREMELY effective in
eliminating noise. Nothing will eliminate lightning static or long duration
pulses, but for the noise they are supposed to eliminate (ignition, motor
coil noises, etc.) it is excellent!
...Dave
----- Original Message -----
From: JBA <ballen at NA800.NET>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Monday, March 06, 2000 7:20 PM
Subject: Re: SB-303 noise blanker


> My two cents worth!
>
> Keith is correct!
>
> The heathkit SBA-104-1 Noise Blanker was designed to help eliminate
> short noise spikes of around 50 microseconds duration (Automobile
> ignition system noises!).
> The noises generated by power lines, atmospheric conditions, and
> thunderstorms are too long in length for the SBA-104-1 to handle.
> In short, the SBA-104-1 noise blanker was designed to, and does, work
> well when the transceiver is being used mobile. Only on extremely rare
> occasions will it be effective when used in a permanent base
> installation.
> I own an SB-104, and two SB-104a. All have the SBA-104-1 Noise Blanker
> installed, and they are all practically useless here in the shack.
> If you have an SB-104/104A and want to add the noise blanker for
> "correctness" sake--FINE! If you want to add an effective noise blanker
> to a 303, look elsewhere.
> Hope this helps.
>
> Keeping the Green alive!
> de Benton wb5twc
>
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