ah6rp.blogspot.com
AH6RP amateur radio blog: 9 Volt Ultralife Lithium Battery
http://ah6rp.blogspot.com/2005/08/9-volt-ultralife-lithium-battery.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Sunday, August 07, 2005. 9 Volt Ultralife Lithium Battery. Thomas Distributing carries the 9 Volt Ultralife Lithium Battery. With a 1200 ma nominal capacity. at 10 ma drain, to 5.4 volts. At 27 ohms, it briefly supplies about 10 volts, drops quickly to about 8.3, and remains above 7.2 for 39 hours (see curve at Thomas site, note 27 ma into 300 ohms is 8.1 volts.). That's about 1,050 mah. Posted by AH6RP @ 10:34 AM.
ah6rp.blogspot.com
AH6RP amateur radio blog: Energizer 9v lithium
http://ah6rp.blogspot.com/2005/09/energizer-9v-lithium.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Saturday, September 17, 2005. On the Energizer L522 9v lithium battery, Everready claims "the L522 at 1200 mAh has twice the capacity of alkaline batteries.". Posted by AH6RP @ 10:50 PM. Comments: Post a Comment. Emergency Amateur Radio Club. Koolau Amateur Radio Club. Honolulu Amateur Radio Club.
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AH6RP amateur radio blog: November 2005
http://ah6rp.blogspot.com/2005_11_01_archive.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Tuesday, November 08, 2005. A different way of making variable inductors. By Ed Tanton, N4XY, to QRP-L 08 Apr 2003:. OK I took one of these. Surplus SMT] inductors and measured it at 525nH (0.5mH). Merton Nellis, W0UFO, commented:. Yes, inductors with magnetic material as cores change inductance from a maximum with no biasing magnetic field to a lower value as a bias field is applied. Posted by AH6RP @ 12:26 PM 0 comments.
ah6rp.blogspot.com
AH6RP amateur radio blog: September 2005
http://ah6rp.blogspot.com/2005_09_01_archive.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Monday, September 26, 2005. Re: [QRP-L] CW QRP Kits? ATS-3 not sold out). Yes, the ATS-3 IS sold out. Just changed the web page yesterday. Time to get busy on the next version.". Oops Looks like I waited too long for the ATS-3, due to work and such. I hope Steve can get the ATS-4 ready soon. Time to go and look at the Small Wonder SW series again. They are single band, no DDS, but a third the cost of the ATS-3. Koolau Amateur Radio Club.
ah6rp.blogspot.com
AH6RP amateur radio blog: Soldering jig for SMD
http://ah6rp.blogspot.com/2005/07/soldering-jig-for-smd.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Saturday, July 23, 2005. Soldering jig for SMD. KD7S has plans for an SMD hold-down. That probably contains the absolute minimum number of parts - just two. One is a bent piece of coathanger wire and the other is a wooden slat with a groove in the bottom. Posted by AH6RP @ 10:12 AM. Comments: Post a Comment. Emergency Amateur Radio Club. Koolau Amateur Radio Club. Honolulu Amateur Radio Club.
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AH6RP amateur radio blog: Carpets and SMD
http://ah6rp.blogspot.com/2005/07/carpets-and-smd.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Saturday, July 23, 2005. Several cautionary tales of SMD at home are in the SMK-1 trials and tribulations. Posted by AH6RP @ 10:42 AM. Comments: Post a Comment. Emergency Amateur Radio Club. Koolau Amateur Radio Club. Honolulu Amateur Radio Club.
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AH6RP amateur radio blog: Sources for low melting point solder
http://ah6rp.blogspot.com/2005/07/sources-for-low-melting-point-solder.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Saturday, July 23, 2005. Sources for low melting point solder. Here's a small quantity of Sn/Bi wire solder: Tools (at alltronics.com). Melcor themselves sell 16-65-019-01. Online for $1.35, 25/$32.50, apparently without the literature that Alltronics includes. Posted by AH6RP @ 9:47 PM. Comments: Post a Comment. Emergency Amateur Radio Club. Koolau Amateur Radio Club. Honolulu Amateur Radio Club.
ah6rp.blogspot.com
AH6RP amateur radio blog: ATS-3 sold out
http://ah6rp.blogspot.com/2005/09/ats-3-sold-out.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Monday, September 26, 2005. Re: [QRP-L] CW QRP Kits? ATS-3 not sold out). Yes, the ATS-3 IS sold out. Just changed the web page yesterday. Time to get busy on the next version.". Oops Looks like I waited too long for the ATS-3, due to work and such. I hope Steve can get the ATS-4 ready soon. Time to go and look at the Small Wonder SW series again. They are single band, no DDS, but a third the cost of the ATS-3. Posted by AH6RP @ 9:04 PM.
ah6rp.blogspot.com
AH6RP amateur radio blog: July 2005
http://ah6rp.blogspot.com/2005_07_01_archive.html
AH6RP amateur radio blog. QRP and other projects from Honolulu, HI. Sunday, July 24, 2005. Kester on Sn/Bi 42/58. Low melt point lead-free alternative potentially suitable for some consumer electronics. Low melt point precludes its use for applications where operating temperature is close to 138C. Posted by AH6RP @ 1:32 PM 0 comments. Saturday, July 23, 2005. Posted by AH6RP @ 10:27 PM 0 comments. Sources for low melting point solder. Melcor Low Temp Bismuth Tin Wire Solder. Melcor part number 16-65-...