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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Henry\s+Roller\s+Coil\s*$/: 5 ]

Total 5 documents matching your query.

1. [AMPS] Henry Roller Coil (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Thu, 7 Jan 1999 11:12:39 -0800; For switch ? however, this roller coil also shorts unused turns. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures I agree, the coil that Henry used in that amp was not satisfactory; /archives//html/Amps/1999-01/msg00100.html (8,019 bytes)
2. [AMPS] Henry Roller Coil (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Thu, 7 Jan 1999 19:44:20 -0800; The Johnson ribbon rollers were similar to the Henry versions. All required that unused turns be shorted. Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures Isn't a ribbon coil the k; /archives//html/Amps/1999-01/msg00106.html (8,049 bytes)
3. [AMPS] Henry Roller Coil (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Thu, 07 Jan 1999 23:57:55 EST; material, somewhere The small (3 & 5 amp) Johnson 229 series use the ceramic form construction with round wire. The larger Johnson coils use edge wound ribbon or even copper tubing. If I recall corr; /archives//html/Amps/1999-01/msg00108.html (8,131 bytes)
4. [AMPS] Henry Roller Coil (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 8 Jan 1999 03:36:36 -0500; My experience with roller coils in ham applications has been consistently bad. They were not designed for constant (rotary) use as we hams tend to do. Instead they were/are used primarily in channeli; /archives//html/Amps/1999-01/msg00111.html (9,074 bytes)
5. [AMPS] Henry Roller Coil (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 8 Jan 1999 03:33:14 -0500; Johnson has not made those coils for roughly 20 years. Johnson, LaPointe and Multronics all sold out to Cardwell. If you want sticker shock get their catalog. 73 Carl KM1H ___________________________; /archives//html/Amps/1999-01/msg00112.html (9,418 bytes)

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