[EIDXA] Power supply grounding
Glenn Johnson
vjohnson at paulbunyan.net
Mon Nov 25 20:59:04 EST 2013
Not grandpa yet.....we were expecting something to happen last week....but
no action yet. Sunday is induction day if nothing happens this week.
73!
Glenn W0GJ
-----Original Message-----
From: eidxa-bounces at mailman.qth.net [mailto:eidxa-bounces at mailman.qth.net]
On Behalf Of Jason Joens
Sent: Monday, November 25, 2013 4:46 PM
To: EIDXA Reflector
Subject: Re: [EIDXA] Power supply grounding
QRP mode, huh?
Already taking after Grandpa! Congrats!!
Jason NR0X
-----Original Message-----
From: Glenn [mailto:vjohnson at paulbunyan.net]
Sent: Monday, November 25, 2013 1:54 PM
To: Jason Joens
Cc: EIDXA Reflector
Subject: Re: [EIDXA] Power supply grounding
I ground EVERYTHING to a common ground so there are no floating potentials
around. The negative lead from power supplies are connected directly to
the station ground bus. Every piece of equipment that can be grounded is
connected to the bus.
The only problem I have is some RF in the headphones on 20 CW on the ICOM
7800, which is a known bug on the 7800 itself.
We surpassed (we = N0KK) the W0 single op record in CQWW CW this past
weekend, with lots of RF. One of the two radios was transmitting constantly
with 1500 watts and the only "RF" was the minor bug on the 7800.....and that
is just noticeable on 20M only.
I didn't operate as I was expecting to take off for a new grandchild. The
little bugger must be in QRP mode as he hasn't shown up yet.
I'm sure mileage will vary on this as not all grounds are equal or not the
best grounds.
73 & Happy Thanksgiving to everyone!!!
Glenn W0GJ
Sent from my iPhone
On Nov 25, 2013, at 1:23 PM, "Jason Joens" <jason at kd0mnd.com> wrote:
> Do you guys connect the negative terminal of your DC power supplies to
> your station ground? Say a 12vdc power supply for your band decoder,
> 2meter rig, or soundcard interface?
>
>
>
> Jason
>
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