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This week, Paul K2FX gets down to basics: Why is there Amateur Radio?
Newbie Net 6/21/2009
Submitted by mikewren on Mon 06/22/2009 @ 2:27 PMPublished in
Newbie Net 6/14/2009
Submitted by mikewren on Mon 06/15/2009 @ 2:58 PMPublished in
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This week, Paul K2FX hosts a lively roundtable discussion as to the future of the Newbie Net, including Internet-based linking of repeaters, the possible addition of IRLP, and why it is important that the net stay anchored on the K2RRA repeater.
Newbie Net 6/7/2009
Submitted by mikewren on Mon 06/08/2009 @ 12:00 AMPublished in
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On this weeks abbreviated Newbie Net (due to repeater interconnectivity issues), Paul K2FX hosts an open forum.
Newbie Net 5/31/2009
Submitted by mikewren on Mon 06/01/2009 @ 12:00 AMPublished in
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This week, Paul K2FX wraps up the 75th Annual Greater Rochester Hamfest.
Newbie Net 5/24/2009
Submitted by mikewren on Mon 05/25/2009 @ 12:00 AMPublished in
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This week, Paul K2FX previews the upcoming 75th annual Rochester Hamfest.
Newbie Net 5/17/2009
Submitted by mikewren on Mon 05/18/2009 @ 12:00 AMPublished in
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This week, Paul K2FX talks Hamfest survival guide.
Lighroom Produces DNG's 2x the Size of SRAW1 files for Canon 5D Mark II
Submitted by mikewren on Wed 05/13/2009 @ 3:33 PMPublished in
So this afternoon I finally addressed something
I have noticed when processing SRAW1 files from my Canon 5D Mark II.
SRAW1 files are being converted to a DNG file
that is almost twice the size of the native CR2 (RAW) file in Lightroom
v2.3.
This is a huge filespace premium to pay for maintaining my archive in
DNG. A quick search of Google turned up nadda.
Also annoying but minor, CR2 and DNG SRAW1 files display as an image
with 0 x 0 resolution, and no preview image is displayed in Finder in
MacOS v10.5.6
Here's the down and dirty:
Original Canon 5D Mark II SRAW1 .CR2 file: 10MB
DNG, no JPEG Preview, Preserve Raw Image, Uncompressed: 57.2MB
DNG, no JPEG Preview, Preserve Raw Image, Compressed: 18MB
DNG, no JPEG Preview, Convert to Linear Image, Uncompressed: 57.2MB
DNG, no JPEG Preview, Convert to Linear Image, Compressed: 24.9MB
DNG, no JPEG Preview, Preserve Raw Image, Uncompressed, Embed Original RAW file: 66.4
Update 5/13/2009 @ 5p: According to this post in Adobe Forums, "The sRaw format is not covered by the DNG specification. When converting, it must be changed; in fact, the amount of data needs to be increased by 50%."
Newbie Net 5/10/2009
Submitted by mikewren on Mon 05/11/2009 @ 12:00 AMPublished in
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Paul K2FX discusses what can really be done with Amateur Radio. This was a rough net due technical difficulties in repeater linking.
Newbie Net 5/3/2009
Submitted by mikewren on Mon 05/04/2009 @ 12:43 PMPublished in
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This week, Paul K2FX hosts an open forum.
Newbie Net 4/26/2009
Submitted by mikewren on Mon 04/27/2009 @ 11:10 AMPublished in
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This week, Paul K2FX discusses the origin and history of the American Radio Relay League (ARRL).
Newbie Net 4/19/2009
Submitted by mikewren on Mon 04/20/2009 @ 8:47 PMPublished in
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This week, Paul K2FX discusses new user tips for VHF and UHF operation.
Newbie Net 4/12/2009
Submitted by mikewren on Tue 04/14/2009 @ 2:33 PMPublished in
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This week, substitute Net Control Max KC2SPY hosts an informal roundtable session of the WA2MYG/N2HLT Memorial Newbie Net. Topics include the upcoming New York State QSO Party on October 17 from 2p - 2a local time, hosted by RDXA. Also upcoming is the Rochester Hamfest on Saturday May 30.
Newbie Net 4/5/2009
Submitted by mikewren on Mon 04/06/2009 @ 10:45 AMPublished in
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This week, Paul K2FX discusses ins and outs of rechargeable batteries,
including Nickel-Cadmium (Ni-Cad), Sealed Lead Acid (SLA), Nickel-Metal
Hydride (NiMH) and Lithium Ion (Li-ion) batteries.
Tim WB2PAY warns of the potentially-explosive results of overcharging
batteries. Mike N2QDK, a professional photographer who chews through
batteries without remorse, highly
recommends Sanyo's Eneloop AA and AAA-sized NiMH rechargeable
batteries, keeping batteries in sets based on use and age, and
trickle-charging whenever possible to maximize the number of charge
cycles.
Newbie Net 3/29/2009
Submitted by mikewren on Mon 03/30/2009 @ 12:00 AMPublished in
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This week, Paul K2FX discusses why an antenna tuner (transmatch) doesn't really tune an antenna.
Newbie Net 3/22/2009
Submitted by mikewren on Mon 03/23/2009 @ 12:00 AMPublished in
Audio File:
This week, Paul K2FX discusses useful tools for the new Amateur Radio operator.
