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Re: [TenTec] Argo VI

To: <n4py3@earthlink.net>, "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Argo VI
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Mon, 13 Oct 2014 13:03:55 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Just ran mine up and down the power range. And as Carl stated; "I'm not sure about the accuracy of my power meter at the station at these power levels". Although it does have a 20 watt F.S. range. I need to bring the Bird 43 with a suitable slug from the shop. Maybe later.

Anyway, here's my findings:
1 watt = measured 0.5 watts
2 watts  = measured 1.1 watts
3 watts = measured 2.0 watts
4 watts = measured 3.0 watts
5 watts = measured 4.0 watts
6 watts = measured 6.5 watts
7 watts = measured 9.0 watts
8 watts = measured 10.2 watts
9 watts = measured 11.2 watts
10 watts = measured 12.0 watts

In any event seems about 0.5 watts is about as low as it will go. If I wanted to go lower I would likely consider placing a 3 dB attenuator on the output. Of course this will also affect receive by 3 dB but I doubt that would make a serious difference considering the outstanding receiver performance.

73
Bob, K4TAX


----- Original Message ----- From: "Carl Moreschi" <n4py3@earthlink.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Monday, October 13, 2014 11:54 AM
Subject: Re: [TenTec] Argo VI


I just tried mine here. The power setting goes from 0 to 10 in 1 watts steps. I don't know how accurate my meter is at very low power but at the 1 watt setting it reads 0.2. At the 10 watt setting it reads 9.8. At the 5 watt setting it reads 3.8.

But the power changing is digital and moves in steps. It may really be 1 watt at the 1 watt setting and my meter may just not read correctly at that level.

Carl Moreschi N4PY
58 Hogwood Rd
Louisburg, NC 27549
www.n4py.com

On 10/13/2014 6:01 AM, jliving39@comcast.net wrote:
Guys,
Can someone tell me how little output one can squeeze out of the Argo VI. I ran my Argo V this weekend in the QRP contest at its low end of 1.5 watts and worked all over US on 20 meters with a dipole. Would like to run lower power than 1.5 Watts and wonder if anyone has experimented with the Argo VI as far as the low end goes. I know it is advertised at 1-10 Watts. The Argo V is a great little rig and would have been really great with an RF gain control. However, you can hit the attenuator and back off the gain some which helps. I do know the Argo VI has an RF gain control which makes it very attractive. Also, can someone who has used both radios compare them. Thanks, Jim, K4CFA PS: Have used the Argo V extensively mobile on 20 meters cw running full power of 20 watts with great results. The RF gain control on the Argo VI is very seductive.
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