Date   

Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

Mark Krotz
 

To alleviate confusion... this is obviously the IC-7000 group. There is no effort I know of to combine this into a IC-7100 group.

But there have now been TWO groups formed for the IC-7100-

"IC-7100" @ YahooGroups -and- "icom7100" @ YahooGroups. I think some erroneously assumed that there was an effort to combine the IC-7000 group with a IC-7100 group. But I think many of us believe it is counter-productive to have to IC-7100 groups.


Mark

On 8/28/2012 7:02 AM, Stephen Beamish wrote:
In my opinion, there is very little similarity between the IC-7000 and the proposed IC-7100 – be it price or overall design. Better therefore for those interested in the IC-7100 to form their own group.


Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

RW Mail List <maillistrw@...>
 

Hi David,

Yes I also don’t the fact that the head can’t be fixed to the main box. I bet someone will market an after market bracket to combines the two. Or maybe we/you can make our own bracket to combine the two. I believe that most will go for the IC 7100 when you consider the VHF/UHF receiver sensitivity, as someone has stated that the IC 7100 has better sensitivity.

Roderick.

From: David Bartholomew
Sent: Tuesday, August 28, 2012 6:00 PM
To: ic7000@yahoogroups.com
Subject: [IC-7000] Re: ICOM at Tokyo Ham Fair


I'm all for discussion of the IC-7100 here if such discussion pertains to comparisons with the IC-7000 which is this group's focus.

From the info given the IC-7100 may not be my choice. I don't have a 7000 yet, have been planning to buy one when finances permit. I use an IC-706MkIig which I have owned for 11 years.

The main things dissuading me from the 7100 would be: non-attached control head, no color display, and no external display.

As for D-Star, I'm still undecided. I live in the Los Angeles area and there is quite a bit of D-Star activity here but I'm still not sure if I want to commit myself to what only one brand supports.

The 7000 was out quite a while though before the 706 was finally discontinued. AES and others had special close-out prices on the last of their inventory. Not sure how soon that might happen with the 7000 but it would be good to know about if it does.

Dave AD7DB
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Re: [IC-7000] Re: 40 Mtr Shut Down

D C *Mac* Macdonald
 

21 feet would be "close" to an electrical 1/4 wavelength
on 14.2 MHz around 1/2 wave on 28.5 MHz. It would not
introduce a "lot" of mismatch on those bands. It might
be a very different story on 15m if the antenna were not
fairly close to a match.

One of the tricks "back in the day" was to add a relatively
"small" value of capacitance (silver mica cap) across the
feedpoint of the mobile antenna to ground to get a match.

Starting points were 1000 pFd for 80/75 meters, 470 or
510 pFd for 40 meters, and 220 or 270 pFd for 20 meters.

Basically, these capacitors formed an "L" network with a
part of the loading coil to match close to 50 Ohms.

Swan and some others made a small box to put at the
base of the antenna that had a switch for band selection.

High Sierra put a small coil (~10 turns or so) at the base
of its antennas to accomplish the matching. I don't know
about TarHeel or others.

* * * * * * * * * * *
* 73 - Mac, K2GKK/5 *
* k2gkk@hotmail.com *
* (Since 30 Nov 53) *
* Oklahoma City, OK *
* USAF, Ret (61-81) *
* * * * * * * * * * *

To: ic7000@yahoogroups.com
From: mcduffie@ag0n.net
Date: Tue, 28 Aug 2012 17:47:28 -0600
Subject: Re: [IC-7000] Re: 40 Mtr Shut Down

On Tue, 28 Aug 2012 23:20:09 -0000, k6htm wrote:

In my mobile installation I placed the rig in the trunk and connected to the 40m antenna with a short piece of coax. It shut down immediately with hi swr. I solved the problem by coiling up a 40m electrical half wave of coax based on the coax velocity factor between the rig and the antenna. Try 48'. Problem gone and no bad effects on other bands. The antenna is an authentic Don Johnson screwdriver mounted at the rear bumper. 73, --Charlie K6HTM
Back in the old days, the standard mobile coaxial cable length for RG-8 was 21
feet. That's what was recommended at the time. What it was based on, I don't
know, and have not tried to find out. "Don't care, it works." :-)

Gary
--
Web: http://ag0n.net
NodeOp Page: http://ag0n.net/irlp
Node 3055: http://ag0n.net/irlp/3055


Re: [IC-7000] Re: 40 Mtr Shut Down

Gary - AG0N
 

On Tue, 28 Aug 2012 23:20:09 -0000, k6htm wrote:

In my mobile installation I placed the rig in the trunk and connected to the 40m antenna with a short piece of coax. It shut down immediately with hi swr. I solved the problem by coiling up a 40m electrical half wave of coax based on the coax velocity factor between the rig and the antenna. Try 48'. Problem gone and no bad effects on other bands. The antenna is an authentic Don Johnson screwdriver mounted at the rear bumper. 73, --Charlie K6HTM
Back in the old days, the standard mobile coaxial cable length for RG-8 was 21
feet. That's what was recommended at the time. What it was based on, I don't
know, and have not tried to find out. "Don't care, it works." :-)

Gary
--
Web: http://ag0n.net
NodeOp Page: http://ag0n.net/irlp
Node 3055: http://ag0n.net/irlp/3055


Re: 40 Mtr Shut Down

k6htm
 

In my mobile installation I placed the rig in the trunk and connected to the 40m antenna with a short piece of coax. It shut down immediately with hi swr. I solved the problem by coiling up a 40m electrical half wave of coax based on the coax velocity factor between the rig and the antenna. Try 48'. Problem gone and no bad effects on other bands. The antenna is an authentic Don Johnson screwdriver mounted at the rear bumper. 73, --Charlie K6HTM

--- In ic7000@yahoogroups.com, "wa2ukp" <k2ds@...> wrote:

Hi All

New problem, I have only used my 7k on 40 once before. Most often on 20.
With the local hurricane net being on 40 I turn to the freq hit the antenna tuner for the sidekick. It tunes up just fine. I go to check in to the net and the radio just shuts down on me. This is the second time it has done that. I hit he power switch again and it came back to life and worked fine. It works just fine on the other bands. The first time it happened I was turning a corner and I thought I may have hit the switch, but this time I was parked. Anyone have an idea??

Tnx
73 Joe K2DS / T6DS


Re: [IC-7000] Amplifier control

Randy Thomson
 

Regarding the fuse situation, if you can't find a mini ATC fuse, (strange,
those French, don't they sell Japanese cars there?) I suggest you jumper the
blown fuse with a wire, then go to a local automotive store and by a local
inline fuse holder and fuse. Put that on the end of the existing wire. That
way, when you get home you can remove the added pigtail and install a mini
ATC fuse.
Randy - K5MW

From: ic7000@yahoogroups.com [mailto:ic7000@yahoogroups.com] On Behalf Of
rlindzen
Sent: Monday, August 27, 2012 7:19 PM
To: ic7000@yahoogroups.com
Subject: [IC-7000] Amplifier control


I'm trying to implement the suggestion on page 21 of the manual for using a
relay to key my amplifier, but I find that the HSend lead does not go to
ground when I key the rig. Am I doing something wrong or is something
defective? Also, when I connected the relay to the orange and grey leads,
the maximum power from the IC7000 goes from 100W to 50W. In the process of
trying things, I burnt out the circuitry fuse. Nobody in Paris (where I am
portable) seems to have the ATC miniblade fuses. Are there alternatives?

Any help would be appreciated.

73, Dick F/WO1I


Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

Gary - AG0N
 

On Tue, 28 Aug 2012 09:32:06 -0700, Mark Krotz wrote:

Let's ALL start our own groups!!! Just think! No more inane arguments
about heat! Unless you want to argue with yourself!
Ah yes. Then it can be lime 99% of the repeaters in the country. No
one on them!

One radio, one group.

Gary
--
http://ag0n.net
3055: http://ag0n.net/irlp/3055
NodeOp Help Page: http://ag0n.net/irlp


Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

Mark Krotz
 

Let's ALL start our own groups!!! Just think! No more inane arguments
about heat! Unless you want to argue with yourself!




Sent from my Verizon Wireless Droid

-----Original message-----
From: Mt14l@aol.com
To: ic7000@yahoogroups.com
Sent: Tue, Aug 28, 2012 13:10:31 GMT+00:00
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

I vote NO on this as well. Go form your own group!






-----Original Message-----
From: nhorv <NHorv75597@hargray.com>
To: ic7000 <ic7000@yahoogroups.com>
Sent: Mon, Aug 27, 2012 9:43 am
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair





NO WAY!!!!!




-------Original Message-------

From: RW Mail List
Date: 8/26/2012 11:53:09 PM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


Hi,

How about combining the two IC 7100 groups, get together and just make it
one group.

Then everyone can talk together instead if being split.

Roderick.

From: Mark Krotz
Sent: Monday, August 27, 2012 12:13 PM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

On 8/26/2012 3:54 PM, va7oj wrote:
Icom have announced the IC-7100 at Tokyo HamFair 2012 (this weekend). The
IC-7100 is a compact all-mode, all-band radio with a separate control head
featuring a touch-screen. It covers HF, 6m, 4m (only in some variants), 2m
and
70cm.

Matt KK5DR and I have started a new IC-7100 group:

http://groups.yahoo.com/group/icom7100/

I also have a new IC-7100 page on my website.

http://www.ab4oj.com/icom/ic7100/main.html

73, Adam VA7OJ/AB4OJ
As an FYI, there are two YahooGroups now for this radio-

IC-7100 @ YahooGroups

-and-

icom7100 @ YahooGroups

Mark

** <http://groups.yahoo.com/group/IC-7100>



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Re: ICOM at Tokyo Ham Fair

Steve Sawicki
 

Exactly,
The operative word is controlled, we nay get some answers and opinions that do not represent the "party line"
Regards.
Steve
AB2ET/4

--- In ic7000@yahoogroups.com, "RW Mail List" <maillistrw@...> wrote:

It’s that the two groups for the same radio are controlled by two different people.

Wouldn’t it be better if all who are interested in the same radio be in one group instead of being split in two different groups?

Roderick.



From: C.Whitaker
Sent: Tuesday, August 28, 2012 2:18 AM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


de WB2CPN
So what are the differences between the
two groups? It's the same piece of radio
equipment, is it not?
Ok, someone, explain me.
Tnx Clete
+++++++++++++++++++++++++++

On 8/27/2012 9:42 AM, nhorv wrote:

NO WAY!!!!!




-------Original Message-------

From: RW Mail List
Date: 8/26/2012 11:53:09 PM
To: mailto:ic7000%40yahoogroups.com <mailto:ic7000%40yahoogroups.com>
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


Hi,

How about combining the two IC 7100 groups, get together and just make it
one group.

Then everyone can talk together instead if being split.

Roderick.

From: Mark Krotz
Sent: Monday, August 27, 2012 12:13 PM
To: mailto:ic7000%40yahoogroups.com <mailto:ic7000%40yahoogroups.com>
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

On 8/26/2012 3:54 PM, va7oj wrote:
Icom have announced the IC-7100 at Tokyo HamFair 2012 (this
weekend). The
IC-7100 is a compact all-mode, all-band radio with a separate
control head
featuring a touch-screen. It covers HF, 6m, 4m (only in some
variants), 2m
and
70cm.

Matt KK5DR and I have started a new IC-7100 group:

http://groups.yahoo.com/group/icom7100/

I also have a new IC-7100 page on my website.

http://www.ab4oj.com/icom/ic7100/main.html

73, Adam VA7OJ/AB4OJ
As an FYI, there are two YahooGroups now for this radio-

IC-7100 @ YahooGroups

-and-

icom7100 @ YahooGroups

Mark

** <http://groups.yahoo.com/group/IC-7100>

[Non-text portions of this message have been removed]

No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12

-----
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[Non-text portions of this message have been removed]





[Non-text portions of this message have been removed]




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[Non-text portions of this message have been removed]


Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

Stephen Beamish <steve@...>
 

In my opinion, there is very little similarity between the IC-7000 and the proposed IC-7100 – be it price or overall design. Better therefore for those interested in the IC-7100 to form their own group.

Steve.

From: RW Mail List
Sent: Tuesday, August 28, 2012 7:04 AM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


It’s that the two groups for the same radio are controlled by two different people.

Wouldn’t it be better if all who are interested in the same radio be in one group instead of being split in two different groups?

Roderick.

From: C.Whitaker
Sent: Tuesday, August 28, 2012 2:18 AM
To: mailto:ic7000%40yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

de WB2CPN
So what are the differences between the
two groups? It's the same piece of radio
equipment, is it not?
Ok, someone, explain me.
Tnx Clete
+++++++++++++++++++++++++++

On 8/27/2012 9:42 AM, nhorv wrote:

NO WAY!!!!!




-------Original Message-------

From: RW Mail List
Date: 8/26/2012 11:53:09 PM
To: mailto:ic7000%40yahoogroups.com <mailto:ic7000%40yahoogroups.com>
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


Hi,

How about combining the two IC 7100 groups, get together and just make it
one group.

Then everyone can talk together instead if being split.

Roderick.

From: Mark Krotz
Sent: Monday, August 27, 2012 12:13 PM
To: mailto:ic7000%40yahoogroups.com <mailto:ic7000%40yahoogroups.com>
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

On 8/26/2012 3:54 PM, va7oj wrote:
Icom have announced the IC-7100 at Tokyo HamFair 2012 (this
weekend). The
IC-7100 is a compact all-mode, all-band radio with a separate
control head
featuring a touch-screen. It covers HF, 6m, 4m (only in some
variants), 2m
and
70cm.

Matt KK5DR and I have started a new IC-7100 group:

http://groups.yahoo.com/group/icom7100/

I also have a new IC-7100 page on my website.

http://www.ab4oj.com/icom/ic7100/main.html

73, Adam VA7OJ/AB4OJ
As an FYI, there are two YahooGroups now for this radio-

IC-7100 @ YahooGroups

-and-

icom7100 @ YahooGroups

Mark

** <http://groups.yahoo.com/group/IC-7100>

[Non-text portions of this message have been removed]

No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12

-----
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Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12









No virus found in this message.
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[Non-text portions of this message have been removed]





[Non-text portions of this message have been removed]


Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

RW Mail List <maillistrw@...>
 

OK, so you want two IC 7100. Note: IC 7100 NOT IC 7000. I never said I wanted to form another group.

I never said to combine the IC 7000 group with the IC 7100, if that’s what you mean.



From: Mt14l@aol.com
Sent: Tuesday, August 28, 2012 11:10 PM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


I vote NO on this as well. Go form your own group!


-----Original Message-----
From: nhorv <mailto:NHorv75597%40hargray.com>
To: ic7000 <mailto:ic7000%40yahoogroups.com>
Sent: Mon, Aug 27, 2012 9:43 am
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

NO WAY!!!!!




-------Original Message-------

From: RW Mail List
Date: 8/26/2012 11:53:09 PM
To: mailto:ic7000%40yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


Hi,

How about combining the two IC 7100 groups, get together and just make it
one group.

Then everyone can talk together instead if being split.

Roderick.

From: Mark Krotz
Sent: Monday, August 27, 2012 12:13 PM
To: mailto:ic7000%40yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

On 8/26/2012 3:54 PM, va7oj wrote:
Icom have announced the IC-7100 at Tokyo HamFair 2012 (this weekend). The
IC-7100 is a compact all-mode, all-band radio with a separate control head
featuring a touch-screen. It covers HF, 6m, 4m (only in some variants), 2m
and
70cm.

Matt KK5DR and I have started a new IC-7100 group:

http://groups.yahoo.com/group/icom7100/

I also have a new IC-7100 page on my website.

http://www.ab4oj.com/icom/ic7100/main.html

73, Adam VA7OJ/AB4OJ
As an FYI, there are two YahooGroups now for this radio-

IC-7100 @ YahooGroups

-and-

icom7100 @ YahooGroups

Mark

** <http://groups.yahoo.com/group/IC-7100>



No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12

-----
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12

[Non-text portions of this message have been removed]

[Non-text portions of this message have been removed]






No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5230 - Release Date: 08/28/12



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[Non-text portions of this message have been removed]


Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

Mt14l@...
 

I vote NO on this as well. Go form your own group!

-----Original Message-----
From: nhorv <NHorv75597@hargray.com>
To: ic7000 <ic7000@yahoogroups.com>
Sent: Mon, Aug 27, 2012 9:43 am
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair





NO WAY!!!!!




-------Original Message-------

From: RW Mail List
Date: 8/26/2012 11:53:09 PM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


Hi,

How about combining the two IC 7100 groups, get together and just make it
one group.

Then everyone can talk together instead if being split.

Roderick.

From: Mark Krotz
Sent: Monday, August 27, 2012 12:13 PM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

On 8/26/2012 3:54 PM, va7oj wrote:
Icom have announced the IC-7100 at Tokyo HamFair 2012 (this weekend). The
IC-7100 is a compact all-mode, all-band radio with a separate control head
featuring a touch-screen. It covers HF, 6m, 4m (only in some variants), 2m
and
70cm.

Matt KK5DR and I have started a new IC-7100 group:

http://groups.yahoo.com/group/icom7100/

I also have a new IC-7100 page on my website.

http://www.ab4oj.com/icom/ic7100/main.html

73, Adam VA7OJ/AB4OJ
As an FYI, there are two YahooGroups now for this radio-

IC-7100 @ YahooGroups

-and-

icom7100 @ YahooGroups

Mark

** <http://groups.yahoo.com/group/IC-7100>

[Non-text portions of this message have been removed]

No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12

-----
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12


Re: Amplifier control

Steve W3AHL
 

What amplifier are you using? What relay interface? The relay schematic on page 21 omits the snubbing diode across the coil, which can cause the HSEND driver to fail due to coltage spikes when the relay is deenergized. If you are using a commercial amplifier interface, that shouldn't be a problem. It sounds like your relay coil may be drawing too much current -- what is it's spec?

Most modern amps don't require an external relay between the amp and 7K. But you have to check the amp's keying port specs to verify that it compatible with the 16 volt 200 ma limit for the 7K.

But otherwise the HSEND circuit works as you would expect it to. I haven't seen the TX power decrease that you describe.

Are you trying to use ALC control to the amp. That usually isn't necessary and can create more problems than it solves in most cases.

Have you ohmed out the color codes to make sure they match the connector pin out? The one that Icom ships with the 7K should match, but if you bought one elsewhere, it probably won't.

Automotive parts stores are your best bet for the fuse.

Steve, W3AHL

--- In ic7000@yahoogroups.com, "rlindzen" <rlindzen@...> wrote:

I'm trying to implement the suggestion on page 21 of the manual for using a relay to key my amplifier, but I find that the HSend lead does not go to ground when I key the rig. Am I doing something wrong or is something defective? Also, when I connected the relay to the orange and grey leads, the maximum power from the IC7000 goes from 100W to 50W. In the process of trying things, I burnt out the circuitry fuse. Nobody in Paris (where I am portable) seems to have the ATC miniblade fuses. Are there alternatives?

Any help would be appreciated.

73, Dick F/WO1I


Re: ICOM at Tokyo Ham Fair

DGBartholomew
 

I'm all for discussion of the IC-7100 here if such discussion pertains to comparisons with the IC-7000 which is this group's focus.

From the info given the IC-7100 may not be my choice. I don't have a 7000 yet, have been planning to buy one when finances permit. I use an IC-706MkIig which I have owned for 11 years.

The main things dissuading me from the 7100 would be: non-attached control head, no color display, and no external display.

As for D-Star, I'm still undecided. I live in the Los Angeles area and there is quite a bit of D-Star activity here but I'm still not sure if I want to commit myself to what only one brand supports.

The 7000 was out quite a while though before the 706 was finally discontinued. AES and others had special close-out prices on the last of their inventory. Not sure how soon that might happen with the 7000 but it would be good to know about if it does.

Dave AD7DB


Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

RW Mail List <maillistrw@...>
 

It’s that the two groups for the same radio are controlled by two different people.

Wouldn’t it be better if all who are interested in the same radio be in one group instead of being split in two different groups?

Roderick.



From: C.Whitaker
Sent: Tuesday, August 28, 2012 2:18 AM
To: ic7000@yahoogroups.com
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


de WB2CPN
So what are the differences between the
two groups? It's the same piece of radio
equipment, is it not?
Ok, someone, explain me.
Tnx Clete
+++++++++++++++++++++++++++

On 8/27/2012 9:42 AM, nhorv wrote:

NO WAY!!!!!




-------Original Message-------

From: RW Mail List
Date: 8/26/2012 11:53:09 PM
To: mailto:ic7000%40yahoogroups.com <mailto:ic7000%40yahoogroups.com>
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair


Hi,

How about combining the two IC 7100 groups, get together and just make it
one group.

Then everyone can talk together instead if being split.

Roderick.

From: Mark Krotz
Sent: Monday, August 27, 2012 12:13 PM
To: mailto:ic7000%40yahoogroups.com <mailto:ic7000%40yahoogroups.com>
Subject: Re: [IC-7000] Re: ICOM at Tokyo Ham Fair

On 8/26/2012 3:54 PM, va7oj wrote:
Icom have announced the IC-7100 at Tokyo HamFair 2012 (this
weekend). The
IC-7100 is a compact all-mode, all-band radio with a separate
control head
featuring a touch-screen. It covers HF, 6m, 4m (only in some
variants), 2m
and
70cm.

Matt KK5DR and I have started a new IC-7100 group:

http://groups.yahoo.com/group/icom7100/

I also have a new IC-7100 page on my website.

http://www.ab4oj.com/icom/ic7100/main.html

73, Adam VA7OJ/AB4OJ
As an FYI, there are two YahooGroups now for this radio-

IC-7100 @ YahooGroups

-and-

icom7100 @ YahooGroups

Mark

** <http://groups.yahoo.com/group/IC-7100>

[Non-text portions of this message have been removed]

No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12

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Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5226 - Release Date: 08/26/12












No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5227 - Release Date: 08/27/12



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No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2197 / Virus Database: 2437/5229 - Release Date: 08/27/12


[Non-text portions of this message have been removed]


Amplifier control

Dick Lindzen
 

I'm trying to implement the suggestion on page 21 of the manual for using a relay to key my amplifier, but I find that the HSend lead does not go to ground when I key the rig. Am I doing something wrong or is something defective? Also, when I connected the relay to the orange and grey leads, the maximum power from the IC7000 goes from 100W to 50W. In the process of trying things, I burnt out the circuitry fuse. Nobody in Paris (where I am portable) seems to have the ATC miniblade fuses. Are there alternatives?

Any help would be appreciated.

73, Dick F/WO1I


Re: 40 Mtr Shut Down

Steve W3AHL
 

In addition to the previous suggestions:

1. Verify the grounding screw for the display's remote cable is installed and tight.

2. Measure the DC voltage inside the radio while transmitting at full power to see how much voltage drop you have. Do this at Pins 3 & 4 of the TUNER connector on the 7K's rear panel. You need about 12.8-13 VDC to get >90 watts output. The radio won't do a power off or reset until the voltage drops below 11.3 VDC typically. A good mobile power installation shouldn't have more than 500 millivolts drop from the battery post to pins 3 & 4 of the TUNER connector.

3. If you have excessiive voltage drop to the radio, the first thing to check are the sIcom fuse holder on the radio's DC supply cable. They develop oxide on the fuse holder contacts (and then the fuse blades). Replace them with good quality automotive fuse holders with contacts that have enough pressure to bite through the oxide layer. Or use a RigRunner instead. Avoid multiple fuses in series (i.e. Fuses at the battery, fuses in the RigRunner and fuses in the radio's power cable). Every fuse, connector and splice is an unwanted voltage drop that only gets worse with time, heat and humidity.

Steve, W3AHL

--- In ic7000@yahoogroups.com, "wa2ukp" <k2ds@...> wrote:

Hi All

New problem, I have only used my 7k on 40 once before. Most often on 20.
With the local hurricane net being on 40 I turn to the freq hit the antenna tuner for the sidekick. It tunes up just fine. I go to check in to the net and the radio just shuts down on me. This is the second time it has done that. I hit he power switch again and it came back to life and worked fine. It works just fine on the other bands. The first time it happened I was turning a corner and I thought I may have hit the switch, but this time I was parked. Anyone have an idea??

Tnx
73 Joe K2DS / T6DS


Re: [IC-7000] Re: 40 Mtr Shut Down

Kent Hufford <khufford@...>
 

I had the same issue on 40m.



Ran a ground strap from the radio unit directly to the frame of the car.

No more shut down.



Kent

KQ4KK



From: ic7000@yahoogroups.com [mailto:ic7000@yahoogroups.com] On Behalf Of
jrtneo
Sent: Monday, August 27, 2012 2:22 PM
To: ic7000@yahoogroups.com
Subject: [IC-7000] Re: 40 Mtr Shut Down





Joe,

I had the same issue on my 7k that I run in a Chevrolet Colorado truck. I
ran a 2 inch wide copper bonding strap from the back of the mounting bracket
for my Sidekick down to the frame of the truck and it solved the issue. I
also bonded the exhaust pipe, the cab, the bed, and the engine to the frame.
Apparently the antenna wasn't seeing enough of a ground plane under the
antenna where it was mounted on the back corner by the tailgate. I also
added some ckokes on the control wiring to the antanna. Now 40 meters is
perfect. I do use the Turbo Tuner to control my Sidekick. If you need pics
let me know.

Paul
kc8ddq@aol.com <mailto:kc8ddq%40aol.com>

--- In ic7000@yahoogroups.com <mailto:ic7000%40yahoogroups.com> , "wa2ukp"
<k2ds@...> wrote:

Hi All

New problem, I have only used my 7k on 40 once before. Most often on 20.
With the local hurricane net being on 40 I turn to the freq hit the
antenna tuner for the sidekick. It tunes up just fine. I go to check in to
the net and the radio just shuts down on me. This is the second time it has
done that. I hit he power switch again and it came back to life and worked
fine. It works just fine on the other bands. The first time it happened I
was turning a corner and I thought I may have hit the switch, but this time
I was parked. Anyone have an idea??

Tnx
73 Joe K2DS / T6DS


Re: 40 Mtr Shut Down

Paul Williams
 

Joe,

I had the same issue on my 7k that I run in a Chevrolet Colorado truck. I ran a 2 inch wide copper bonding strap from the back of the mounting bracket for my Sidekick down to the frame of the truck and it solved the issue. I also bonded the exhaust pipe, the cab, the bed, and the engine to the frame. Apparently the antenna wasn't seeing enough of a ground plane under the antenna where it was mounted on the back corner by the tailgate. I also added some ckokes on the control wiring to the antanna. Now 40 meters is perfect. I do use the Turbo Tuner to control my Sidekick. If you need pics let me know.

Paul
kc8ddq@aol.com

--- In ic7000@yahoogroups.com, "wa2ukp" <k2ds@...> wrote:

Hi All

New problem, I have only used my 7k on 40 once before. Most often on 20.
With the local hurricane net being on 40 I turn to the freq hit the antenna tuner for the sidekick. It tunes up just fine. I go to check in to the net and the radio just shuts down on me. This is the second time it has done that. I hit he power switch again and it came back to life and worked fine. It works just fine on the other bands. The first time it happened I was turning a corner and I thought I may have hit the switch, but this time I was parked. Anyone have an idea??

Tnx
73 Joe K2DS / T6DS


Re: [IC-7000] 40 Mtr Shut Down

Dave Erickson <dave@...>
 

Oh and i just wanted to clarify on this. If you are using your car's
wiring plugged up to the cigarette lighter then you are almost
guaranteed to have problems. Even if it is a powerpoint wired for
slightly more current, they usually are not wired to handle 20amps
current and you will notice a 2-4 volt dropoff when you key down. Also
keep in mind that the amplifier circuit in the radio will be more or
less efficient at certain frequencies so if it is right on the edge, on
certain bands the amplifier may draw slightly more current than on other
bands for the same power output. Thus the radio will shut off. In any
mobile situation where anything more than QRP operations are occurring
you will need to wire up power to the radio separately. The extra
battery is an optional idea, I chose to do it in my situation because I
wanted to ensure that when the car was off and I was operating that i
did not draw the battery down too far. The Voltage booster i recommended
will help with that anyhow as you can set its minimum voltage cutoff
where it will no longer engage the cricuit but you can still leave the
radio on and draw power down all the way to nothing. Anyhow hope all or
some of this helps your situation. Good luck again

73's,

Dave


W3DIO

---

-------------------------

DAVE ERICKSON
DAVE@W3DIO.ORG


On 2012-08-27 12:51, Dave Erickson wrote:

Speaking from experience
on this one.. A couple things could be
happening. The IC-7000 all beit
a nice rig is extremely voltage
sensitive has to have 13.8 volts at
20amps. If it isn't able to get the
current draw and keep the voltage
up, it tends to shut down. I ended up
having to put in a seperate
battery in the back and setup a #4 charging
cable running to the car
battery to charge it off the alternator. I
ended up getting the older
version of this
(http://stores.tgelectronics.org/Detail.bok?no=10 [1]
[9]): A voltage
booster made by N8XJK. His new model has a RF
input/output so it can
autosense on transmit and only draw the extra
current and activate the
voltage booster while transmitting. This is a
nice feature as the
circuit does put out a little RFI while in receive
mode that can be
detected on certain ham bands. Anyhow That is the
first scenario and the
most likely.

The second scenario is you
may be getting RF back into
the radio causing it to turn off the
radio. To me this usually happened
when the SWR was a little higher
than normal but even with a tuner in
line it has happened to me a few
times. You have to make sure that your
RADIO and antenna system has a
very good ground. Operating mobile is
always about compromise and
unfortunately due to that strange problems
can occur and the radio can
easily be effected. There is alot of great
information right here:
http://www.k0bg.com/ [2] [10] about mobile
installations that may be
helpful.

73's,

Dave

W3DIO
--

-------------------------

DAVE ERICKSON
DAVE@W3DIO.ORG [3]

On
2012-08-27 12:18, wa2ukp wrote:

Hi All

New
problem, I have only
used my 7k on 40 once before. Most often on 20.

With the local
hurricane net being on 40 I turn to the freq hit the
antenna tuner for
the sidekick. It tunes up just fine. I go to check
in to the net and the
radio just shuts down on me. This is the second
time it has done that. I
hit he power switch again and it came back to
life and worked fine. It
works just fine on the other bands. The first
time it happened I was
turning a corner and I thought I may have hit
the switch, but this time
I was parked. Anyone have an idea??

Tnx
73 Joe K2DS / T6DS

Links:
------
[1]
mailto:k2ds@hotmail.com [4]?subject=Re%3A%2040%20Mtr%20Shut%20Down
[2]
mailto:ic7000@yahoogroups.com
[5]?subject=Re%3A%2040%20Mtr%20Shut%20Down
[3]
http://groups.yahoo.com/group/ic7000/post;_ylc=X3oDMTJyY2U3YTIxBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARtc2dJZAMzMjYzOARzZWMDZnRyBHNsawNycGx5BHN0aW1lAzEzNDYwODQzMDk-?act=reply&messageNum=32638
[6]
[4]
http://groups.yahoo.com/group/ic7000/post;_ylc=X3oDMTJmdDlxZXV0BF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDZnRyBHNsawNudHBjBHN0aW1lAzEzNDYwODQzMDk-
[7]
[5]
http://groups.yahoo.com/group/ic7000/message/32638;_ylc=X3oDMTM3aGZhZDR1BF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARtc2dJZAMzMjYzOARzZWMDZnRyBHNsawN2dHBjBHN0aW1lAzEzNDYwODQzMDkEdHBjSWQDMzI2Mzg-
[8]
[6]
http://groups.yahoo.com/group/ic7000/members;_ylc=X3oDMTJndmRzMWhuBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2bWJycwRzdGltZQMxMzQ2MDg0MzA5?o=6
[9]
[7]
http://groups.yahoo.com/group/ic7000/files;_ylc=X3oDMTJoM2VqN2JhBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2ZmlsZXMEc3RpbWUDMTM0NjA4NDMwOQ--
[10]
[8]
http://groups.yahoo.com/group/ic7000;_ylc=X3oDMTJmdHZpODFrBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2Z2hwBHN0aW1lAzEzNDYwODQzMDk-
[11]
[9]
http://stores.tgelectronics.org/Detail.bok?no=10 [12]
[10]
http://www.k0bg.com/ [13]

[Non-text portions of this message
have been removed]


Links:
------
[1]
http://stores.tgelectronics.org/Detail.bok?no=10
[2]
http://www.k0bg.com/
[3] mailto:DAVE%40W3DIO.ORG
[4]
mailto:k2ds%40hotmail.com
[5] mailto:ic7000%40yahoogroups.com
[6]
http://groups.yahoo.com/group/ic7000/post;_ylc=X3oDMTJyY2U3YTIxBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARtc2dJZAMzMjYzOARzZWMDZnRyBHNsawNycGx5BHN0aW1lAzEzNDYwODQzMDk-?act=reply&amp;messageNum=32638
[7]
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[8]
http://groups.yahoo.com/group/ic7000/message/32638;_ylc=X3oDMTM3aGZhZDR1BF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARtc2dJZAMzMjYzOARzZWMDZnRyBHNsawN2dHBjBHN0aW1lAzEzNDYwODQzMDkEdHBjSWQDMzI2Mzg-
[9]
http://groups.yahoo.com/group/ic7000/members;_ylc=X3oDMTJndmRzMWhuBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2bWJycwRzdGltZQMxMzQ2MDg0MzA5?o=6
[10]
http://groups.yahoo.com/group/ic7000/files;_ylc=X3oDMTJoM2VqN2JhBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2ZmlsZXMEc3RpbWUDMTM0NjA4NDMwOQ--
[11]
http://groups.yahoo.com/group/ic7000;_ylc=X3oDMTJmdHZpODFrBF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2Z2hwBHN0aW1lAzEzNDYwODQzMDk-
[12]
http://stores.tgelectronics.org/Detail.bok?no=10
[13]
http://www.k0bg.com/
[14]
mailto:dave@w3dio.org?subject=Re%3A%20%5BIC-7000%5D%2040%20Mtr%20Shut%20Down
[15]
mailto:ic7000@yahoogroups.com?subject=Re%3A%20%5BIC-7000%5D%2040%20Mtr%20Shut%20Down
[16]
http://groups.yahoo.com/group/ic7000/post;_ylc=X3oDMTJyMGFjb3Q5BF9TAzk3MzU5NzE0BGdycElkAzE0NTg4MzQ2BGdycHNwSWQDMTcwNTA2MzEwOARtc2dJZAMzMjY0MARzZWMDZnRyBHNsawNycGx5BHN0aW1lAzEzNDYwODYzNzU-?act=reply&amp;messageNum=32640
[17]
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[18]
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