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Total 5 documents matching your query.

1. [CQ-Contest] AMERITRON ATR-30 on 160M (score: 1): Author: Richard Zalewski <dick.w7zr@gmail.com>; Date: Tue, 22 Feb 2022 14:01:50 -0800; Having some issue with the tuner on 160. Up to 500w all ok but anything above that getting some arcing on the Antenna cap. Checked to be sure all fittings are tight. The tuner on other bands works fl; /archives//html/CQ-Contest/2022-02/msg00210.html (7,554 bytes)
2. Re: [CQ-Contest] AMERITRON ATR-30 on 160M (score: 1): Author: Richard Zalewski <dick.w7zr@gmail.com>; Date: Tue, 22 Feb 2022 14:11:44 -0800; Just a few more clues that I omitted. Reflected power at 500w is 8w SWR 1.2:1 Used a RF current meter on the output and showing no RF current on the coax at the tuner. Richard *W7ZR* ex:5C5Z, CN2ZR,; /archives//html/CQ-Contest/2022-02/msg00211.html (7,790 bytes)
3. Re: [CQ-Contest] AMERITRON ATR-30 on 160M (score: 1): Author: "Naumann, Robert, W5OV" <w5ov@arrl.org>; Date: Wed, 23 Feb 2022 14:07:09 +0000; Richard, The simple answer is that the 43' antenna is too short for 160, as-is. AD5X has written the complete 43' vertical article, and includes several solutions to this problem. The multi-relay swi; /archives//html/CQ-Contest/2022-02/msg00214.html (8,663 bytes)
4. Re: [CQ-Contest] AMERITRON ATR-30 on 160M (score: 1): Author: <john@kk9a.com>; Date: Wed, 23 Feb 2022 11:20:07 -0500; The 43 foot vertical is way too short for top band and it is too long for the higher bands. Top loading it with either several equally spaced wires coming back to the ground on a slope or as an inver; /archives//html/CQ-Contest/2022-02/msg00215.html (7,622 bytes)
5. Re: [CQ-Contest] AMERITRON ATR-30 on 160M (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Wed, 23 Feb 2022 12:06:40 -0800; I've also addressed it, and from a somewhat different perspective. KK9A is entirely correct that it gets increasingly too long above 20M because of its vertical pattern tends increasingly higher, and; /archives//html/CQ-Contest/2022-02/msg00216.html (8,401 bytes)

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