For the benefit of anyone falling into the same trap, I share my recent experiences with my new SG-237..... Purchased for Christmas I spent 2 full days with...
3982
M Miranda
wftl14
Jan 2, 2011 5:43 pm
Allan, Congrats and thanks for passing along the info. I had problems last year with a bad PL259 shield. Stuff like this adds to our frustration but also...
3983
Irv [K3IRV] McWherter
ourstuff63
Jan 12, 2011 12:03 am
Here is a problem I hope someone can help solve. Configuration data: Rig: Yaesu FT-2000 Tuner: SGC-237 mounted at base of antenna Tuner power: Diawa DC power...
3984
Rudy Benner
rudybenner
Jan 12, 2011 1:01 am
assuming the tuner in the radio is off? ve3bdr From: Irv [K3IRV] McWherter Sent: Tuesday, January 11, 2011 5:18 PM To: Smartuners@yahoogroups.com Subject:...
3985
R Wall
radioaustral...
Jan 12, 2011 1:58 am
Hi Irv, If the smartuner will tune every band except 40 meter. Then 40 meter band antenna is outside the tuning impedance range of the tuner. There may be...
3986
Irv [K3IRV] McWherter
ourstuff63
Jan 12, 2011 2:01 am
Yes, internal tuner off. 73, Irv - K3IRV...
3987
Irv [K3IRV] McWherter
ourstuff63
Jan 12, 2011 3:00 am
My answer to the question was rejected, so I am resubmitting. The Zero Five is a free standing, trapless vertical. There are five or six sections that are...
3988
Rudy Benner
rudybenner
Jan 12, 2011 3:18 am
Is there anything near the antenna that could be influencing the antenna? From: Irv [K3IRV] McWherter Sent: Tuesday, January 11, 2011 9:16 PM To:...
3989
John Ferrell
jferrell_27283
Jan 12, 2011 4:44 am
Two things to try: 1- add about 3 or 4 feet of wire to the lead going to the antenna. Whatever the condition is, it should change enough to tune it. My SGC-237...
3990
R Wall
radioaustral...
Jan 12, 2011 5:21 am
Hi Irv, If there are no traps then I would say the impedance at 40 meters is outside the range of the smartuner. I would add a 3 or 4 foot of aluminium tubing...
3991
Ronald Gladish
rwgladish
Jan 12, 2011 8:57 pm
Try forcing a re-tune. Go to a frequency that is not in memory and key the radio using a steady carrier (AM, CW, etc.). As soon as the coupler starts tuning...
3992
Ronald Gladish
rwgladish
Jan 13, 2011 1:45 am
Go to a frequency that is not in memory and key the radio using a steady carrier (AM, CW, etc.). As soon as the coupler starts tuning (usually < 1 second) you...
3993
Irv [K3IRV] McWherter
ourstuff63
Jan 13, 2011 1:45 am
Sorry for delay in responding: Rudy - There is nothing close to the antenna to affect it. It is a standard residential lot with a few trees. John - I will try...
3994
Rudy Benner
rudybenner
Jan 13, 2011 3:00 am
Frustrating. The problem will likely turn out to be something stupid simple. Of course, you will share your embarrassment with us, naturally, we will laugh,...
3995
Irv [K3IRV] McWherter
ourstuff63
Jan 13, 2011 3:00 am
Ron: I will try that retuning procedure and see what happens. Irv....
3996
w7up
Jan 13, 2011 3:01 am
Irv, If you are attempting to tune on 40 meters with the FT-2000 at full power, the RF fold-back circuitry in the radio may be continuously activated, making...
3997
Jürgen Weidemann
df1al
Jan 14, 2011 7:56 pm
My SG-235 does not seem to pass the PTT line through to the amplifier correctly - any suggestions? : The K3's PTT out is connected to the PTT in of the SG-235....
3998
Christopher E. Brown
cbrown_ak
Jan 15, 2011 1:25 pm
On Fri, 14 Jan 2011, Jürgen Weidemann wrote: I have a 235, used with a 756PRO and a SG500, and found a few things out while I was getting things working. The...
3999
Christopher E. Brown
cbrown_ak
Jan 15, 2011 1:49 pm
To me more clear If you, starting with a pre-matches 235 and in CW mode Hit the TX key asserting PTT to the tuner, AMP shoul NOT key (PTT high from 235) Send a...
4000
Allan (m0kis)
sleafordeak
Jan 22, 2011 7:35 pm
Hi I've had my 237 for a month now and it is sat happily at the base of an 8m vertical (fishing pole) with only 4 (very poorly placed) radial. It's location...
4001
Allan (m0kis)
sleafordeak
Jan 22, 2011 7:36 pm
I see the 237 is rated at 100w with 40w continuous. IS the 40w continuous literally that 'continuous'? So if I use, as I do, CW can I use more that 40w as the...
4002
va7gg
Jan 22, 2011 10:40 pm
Allan, If you are transmitting a carrier modulated with CW, then yes. If you are transmitting normal make and break continuous wave, then crank it up!! I use...
4003
Christopher E. Brown
cbrown_ak
Jan 23, 2011 11:10 am
... Very good point, CW generated via the audio path with the radio in SSB mode should be treated like a digital mode and considered 100%....
4004
Christopher E. Brown
cbrown_ak
Jan 23, 2011 11:11 am
... Average power, 40w or less. Peak power no more than 100w. Both limits apply at the same time. Not, when I say average power I do not mean power as read by...
4005
Allan (m0kis)
sleafordeak
Jan 23, 2011 5:46 pm
Thanks Christopher and John This tends to confirm what I thought might be the case. On my FT857 I will be using 'normal' keyed morse. So if that averages at...
4006
Conor
conor_turton
Jan 24, 2011 1:19 am
... You'd get all band coverage however because it is low to the ground, you will have a steep take-off angle so its not going to be great for DX. If DX is...
4007
chas
schuetzen
Jan 24, 2011 4:35 am
... or put 70' legs on it, raise the CPt to 40'+ and the ends to ~25' with about 80' of 450 Ohm Ladder line, transition to a 4:1 balun and add a current choke ...
4008
THOMAS TAYLOR
tomtaylor57
Jan 24, 2011 10:59 am
Alan, Â The antenna you are planning is called a Doublet. A Doublet consists of Vertical open-wire feeder or ladder line connected to the centre of a...
4009
Keith Maton
nentecular
Jan 24, 2011 12:40 pm
This really intrigues me. I have an SG237 which currently feeds a long wire. My plan was to replace it with a doublet, fed with 450 ohm ladderline all the way...
4010
THOMAS TAYLOR
tomtaylor57
Jan 24, 2011 12:54 pm
... From: Keith Maton <nentecular@...> Subject: Re: [Smartuners] Re: SG237 - Dipole To: "Smartuners@yahoogroups.com" <Smartuners@yahoogroups.com> Date:...
