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Total 9 documents matching your query.

1. [Amps] SB-220 WARC bands (score: 1): Author: balmemo@sympatico.ca (Bert Almemo); Date: Sun, 24 Mar 2002 21:06:26 -0800; Thanks for all your answers and shared experiences re. my problem running my SB-220 on the WARC-bands. All of your amps seem to be doing fine, but unfortunately not mine. Power out on 12 and 17m is a; /archives//html/Amps/2002-03/msg00562.html (7,635 bytes)
2. [Amps] SB-220 WARC bands (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 25 Mar 2002 06:59:42 -0500; The factory designed rating for the SB-220 is 1kW INPUT (~600w output) on CW and RTTY, and 2KW PEP on SSB (~1200 watts PEP out) on SSB. Good meters, like the Bird 43, have +-5% of full scale anywher; /archives//html/Amps/2002-03/msg00565.html (8,338 bytes)
3. [Amps] SB-220 WARC bands (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 25 Mar 2002 07:59:20 -0500; Seems like this has been discussed a few times, but .... The SB-220 is capable of far more than that -- 1 KW input was the *legal* limit in those days. Driven with 100-110 watts, an SB-220 will/shoul; /archives//html/Amps/2002-03/msg00567.html (7,990 bytes)
4. [Amps] SB-220 WARC bands (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 25 Mar 2002 06:25:32 -0800; ? Or wishful thinking. Furthermore, the accuracy of any RF wattmeter is dependant on the measured resistance of the termination. If a wattmeter is calibrated for 50? and the termination is 87?, the; /archives//html/Amps/2002-03/msg00571.html (10,391 bytes)
5. [Amps] SB-220 WARC bands (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Mon, 25 Mar 2002 15:34:45 +0000; If the feedline and meter have the same Zo and the sampling system has sufficient directivity, the meter will show the forward and reflected power accurately, even if the termination is not Zo. The d; /archives//html/Amps/2002-03/msg00573.html (8,800 bytes)
6. [Amps] SB-220 WARC bands (score: 1): Author: wy6k@yahoo.com (WYsixK); Date: Mon, 25 Mar 2002 14:17:42 -0800 (PST); I suspect the tuned inputs are just too out of resonance to pass all the drive on the WARC bands. Does the output power keeping increasing as you increase drive until you run out of drive? If so, the; /archives//html/Amps/2002-03/msg00578.html (8,892 bytes)
7. [Amps] SB-220 WARC bands (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 25 Mar 2002 20:05:33 -0500; That's absolutely correct with the Bird Steve. To read true power into a somewhat reasonably mismatched load (say under 3:1 SWR or so), you simply subtract reflected power from forward power. 73, To; /archives//html/Amps/2002-03/msg00582.html (7,894 bytes)
8. [Amps] SB-220 WARC bands (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Mon, 25 Mar 2002 21:36:21 -0800; ? Steve -- Does it say this in the Bird® 43 manual ? - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-03/msg00585.html (9,081 bytes)
9. [Amps] SB-220 WARC bands (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Tue, 26 Mar 2002 09:18:16 -0000; ? Steve -- Does it say this in the Bird® 43 manual ? Sorry, but I've no idea. Steve; /archives//html/Amps/2002-03/msg00587.html (8,384 bytes)

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