Gary, I was the one with the problem of muting my NC-300 with my T-4XC. I have
been communicating with Garey Barrell about this, and have tried a number of
things including a mod to the transmitter to mute the receiver with bias
instead of using the normal process of opening up the cathode circ
*Hello, I hope everyone had a Great Thanksgiving and ate to much!!!*
*I purchased the PEP kit from Phil (K4DPK) who advertise's on QTH and
installed it in about 5 min. so you know it was an easy install. And it
works Great. Phil is a Stand up kind of Guy, he's a Great person and great
to do bus
Several days ago there was a discussion on using a T4XB to mute a non drake
receiver. I believe it was a National 303 ? I would like to use my spare T4XB
to mute and cause no damage to my Collins 75A4 receiver. Did the gentleman with
the 303 resolve his problem ?
73 Gary___
Hi,
I have a Fox Tango first i.f. filter in my R-4C.
Part YF-56H60G
5645 khz
No. 499
I searched the archives and google, but am not coming up with a definite
answer. Apparently, this is not original equipment.
DKmods (http://mods.dk/view.php?ArticleId=2534) has me wondering if this is the
6 kh
I should have commented that what Eddy reported doesn't seem unusual given the
temperatures involved. The fact that everything seems to have settled down
after an hour obviously empirically shows what time was needed for the 59F
ambient warmup from cold.
Even an "ovenized" counter will drift w
I like warming up the counter for a while if not possessing an oven. Can't
remember if a Fluke 1911A has one, or not.
Steve Wedge, W1ES/4
I swear by my life, and my love of it, that I will never live for the sake
of another man, nor ask another man to live for mine.
-Ayn Rand.
All my comput
I didn't mean to imply that 59 was room temp - it's been a long time since I
lived in New England ;-) I did used to have my shack down cellar when I
lived up there, and 59 would be warm in some instances before the baseboard
heat came up to heat the place. Obviously, you must allow for more.
Frank -
Check with Tom at www.hayseedhamfest.com. He has complete capacitor kits including the twist-lok
for the TR-4C.
C145 - original
A = 20 uF @ 250 VDC
B = 60 uF @ 250 VDC
C = 10 uF @ 25 VDC
D = 10 uF @ 250 VDC
The 250 VDC sections really should be at least 300 VDC, as typical voltag
HI
In my TR4-c you hear a noise in the background of AC.
In addition to the power supply capacitors on AC4
Question:
1) What capacitors can create this noise of AC
2) "Ac noise" can be caused by the Multi Capacitor C-145 , what are its
characteristics
I thank all
Frank
__
Something I haven't seen discussed and I have noticed on my R-4A is:
One end of the PTO range drifts A LOT more than the other end.
IIRC it is the high end of the dial (where the PTO slug is inside).
73,
Gary
WB6OGD
- Original Message -
From: Eddy Swynar
To: captc...@flash.net
Cc: drake
Hi Curt,
Wow...!
What I really wanted to do here, primarily, was to validate my "fix" of the
Drake PTO that's been practically driving me to drink here lo these past many
months! Hi Hi.
What I'll do, then, is warm-up the 751A separately for one full hour, before
initiating a repeat of the tes
From time to time I get messages asking why a post did not make it
to the list.
More often or not, the reason posts do not make it to the list is
that they come from an address that is
not a member.
This often happens to folks who use alias address.
Most of the time I see that someone has tr
GM Eddy:
Even the 100Kc calibrator is going to suffer from start-up drift. At
the very least--and surely acceptable for a tens-of-Hz startup
measurement, just leaving the 751A on for some period of time before
doing the start-up test on the Drake should suffice.
I settled my 751 down an ama
Hi Curt,
When I get the chance this weekend I'm gonna run some stability tests on the
751A here, using a 100-KHz crystal calibrator / oscillator as its "umpire"...
You've got me thinking: maybe there really WAS a reason that ICOM offered for
sale an optional "high-standard / ultra-stable" cryst
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