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Aurora Art (November 3, 2023)| Please feel free to browse this album and select any images you wish to own. I don't do NFT sales, rather opting for printed and mounted high quality canvas prints. Enjoy the view! |
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Glass Art Lampwork Beads Welcome to Enter The Flame Studio's online Gallery of lampwork beads. All of these beads were hand crafted by Brea and were either sold as bead sets or created into specialty jewelry as custom orders. All of these beads can be ordered, but there is no possible way that they would be exactly the same. All of them are one of a kind but can be ordered in the same style and colors. If you would like Brea to create you custom jewelry using any of the beads shown, please contact her with your design ideas.
You may also visit her websites:
www.etsy.com/shop/entertheflamestudios
www.facebook.com/entertheflamestudios
www.instagram.com/entertheflamestudios
entertheflame@gmail.com |
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Brea's Glass and Metal Studio OLD STUDIO:
Here is where I create all my Glass art & Jewelry designs. PLEASE...if you have any questions about any equipment you see in the photos feel free to email me anytime. ~Brea |
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UHF H2 2-Bay Bowties + Screen Reflector (9 Feb 2015)UHF H2 2-Bay Bowtie with Screen Grid Reflector Analyzed using 4nec2 after determining OPTIMUM Dimensions
using nikiml's Python Optimization Scrips. Performance is significantly better than ANY other 2-Bay Bowtie.
Two versions are Optimized and Analyzed....the second clearly outperforming the first:
a) H2 (9.5"x12") 2-Bay Bowtie with 24"Hx24"W Screen Reflector (Grid=2"Hx4"W),
with Hi-VHF Gain to REAR on lower Channels:
UHF Raw Gain = 10.3 to 13.6 dBi, F/B & F/R Ratio Min. = 15.4 dB and SWR (300-ohms) under 2.3.
Hi-VHF Raw Gain = -2 to 8 dBi FORWARD and to REAR Raw Gain = 6.9 to 7.3 to 2.5 dBi with
Hi-VHF F/B & F/R = 10 to -5 dB and SWR (300-ohms) = 125 to 60.8.
Dimensions (inches):
BowLen = 9.5 = Bowtie Whisker Half-Length,
ZBowII = 12.0 = Distance between the Centers of the two Bowties,
TineSep = 8.25 = Bowtie Tine Separation,
BowSwp=0.0 = Bowtie Forward Sweep,
FedSep = 1.75 = Separation (in inches) between two FEEDLINE wires,
RS = -4.75 = Separation between Bowties and Reflector.
Screen Reflector = 24-in H x 24-in W, 2"Hx4"W Grid (1"Hx2"W would improve F/B & F/R Ratios).
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b) H2 (10"x15") 2-Bay Bowtie with 36"Hx36"W Screen Reflector (Grid=1"Hx2"W), with significantly
higher UHF Gain and more Hi-VHF Gain aligned FORWARD:
UHF Raw Gain = 12.9 to 14.5 dBi, F/B & F/R Ratio Min = 22.5 dB and SWR (300-ohms) Under 2.8.
Hi-VHF Raw Gain = 8.2 to 8.6 dBi, F/B & F/R Ratio = 9.8 to 15.9 dB and SWR (300-ohms) = 93 to 31 is Excessive.
Dimensions: (inches)
BowLen = 10.0 = Bowtie Whisker Half-Length,
ZBowII = 15.0 = Distance between the Centers of the two Bowties,
TineSep = 10.0 = Bowtie Tine Separation,
BowSwp=0.0 = Bowtie Forward Sweep,
FedSep = 2.75 = Separation (in inches) between two FEEDLINE wires,
RS = -5.0 = Separation between Bowties and Reflector.
Screen Reflector = 36-in H x 36-in W, 1"Hx2"W Grid. |
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