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#1
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Hey Butternut owners!
I bought a HF6V at a hamfes recently. It's installed now, and I am in the process of tuning it this weekend. 80 and 40 are okay soo far. 20 meters is a different story. One of the things I found out was that there was an extra HV cap. Apparently this goes on the 30 meter coil/capacitor assy. But the assy was disassy! Does this cap go in series with the coil at the top, or does it go in parallel as do the 80 and 40 meter caps? TIA - Mike KB3EIA - |
#2
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Does this cap go in series with the coil at the top, or does it go in
parallel as do the 80 and 40 meter caps? Are you aware that you have to use a 1/4 wave lenght impedance transformer (matching line) on 20 meters? This is the text from the original manual: Symptom: High SWR on 20 meter; other bands OK. Look for: Missing matching line. Antenna not properly tuned. 20 meter radials not present or wrong length. Consult instructions for tuning and radial information; install matching line RG-11 75 ohm coax, 11 ft 4 in (345.4 cm) if solid dielectric, 13 ft 6 in (411.5 cm) if foam type. 73 de oz1akn, Mogens |
#3
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![]() Mogens wrote: Does this cap go in series with the coil at the top, or does it go in parallel as do the 80 and 40 meter caps? Are you aware that you have to use a 1/4 wave lenght impedance transformer (matching line) on 20 meters? This is the text from the original manual: Yes, I am. Symptom: High SWR on 20 meter; other bands OK. Look for: Missing matching line. Antenna not properly tuned. 20 meter radials not present or wrong length. Well, this is a ground level installation, with underground radials Consult instructions for tuning and radial information; install matching line RG-11 75 ohm coax, 11 ft 4 in (345.4 cm) if solid dielectric, 13 ft 6 in (411.5 cm) if foam type. AH-HA! Since the antenna didn't have the matching line with it, I put a 1/4 wave stub of around 16' 6" on it, which is quite off from the actual value that they want. It is solid dielectric, so it is off by over 5 feet! Thanks very much for the clarification of my problem. For the original question that I had, I am going to put the cap in series with the 30 meter coil, as after scrutiny of the parts list, that is the only way I can see it fitting in the assembly. - Mike KB3EIA |
#4
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Google it as I recall there's a manual online. I think ownership has
changed. -- 73 Hank WD5JFR "Mike Coslo" wrote in message ... Hey Butternut owners! I bought a HF6V at a hamfes recently. It's installed now, and I am in the process of tuning it this weekend. 80 and 40 are okay soo far. 20 meters is a different story. One of the things I found out was that there was an extra HV cap. Apparently this goes on the 30 meter coil/capacitor assy. But the assy was disassy! Does this cap go in series with the coil at the top, or does it go in parallel as do the 80 and 40 meter caps? TIA - Mike KB3EIA - |
#5
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![]() "Henry Kolesnik" wrote in message .. . Google it as I recall there's a manual online. I think ownership has changed. Yes, it can be found at www.bencher.com or more precisly at http://www.bencher.com/pdfs/00366IZV.pdf Mogens |
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