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H-Stack UHF Hourglass-Loop + 15RR (11 Jul 2014)UHF Horizontally Stacked Hourglass-Loops with 15 Reflector Rods analyzed using 4nec2 where
nikiml's Python Optimization Scripts were used to Optimize dimensions, incuding the HHH (Hollands Horizontal Harness). |
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FOURTH OF JULY WEEKEND 2014 (July 5, 2014)| Just a few pics of of Grupo Ambixion, Jay Perez' group, Los Super Reyes. But mostly just party pics of friends at the Paradiso Lounge. |
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Old CM4228 with Hollands Horiz Harness (3 Jul 2014)Old CM4228 with Hollands Horizontal Harness (HHH) replacing the Original Harness analyzed using 4nec2.
Dimensions of HHH OPTIMIZED using nikiml's Python Control Scripts were the WIDTH of the Feedline
and X-Axis SEPARATION from the Center of the Bowties, similar to 2x2 4-Bay (H4) as well as the
Vertically Stacked 4-Bay Antenna designs.
When surveying the "terrain", I noticed that original CM4228a model (posted by Ken Nist on HDTVPrimer)
did NOT include the two 1.25-in Diameter Tubes which support the Bowtie/Feedline structures.
Since HHH could intersect or be influenced by the close proximity, I added Vertical Tubes to MY
CM4228 model, which uses MY ACTUAL MEASUREMENTS. This significantly improved the low
frequency roll-off problem in Ken Nist's model, as shown in Charts. To facilitate Apples-to-Apples
comparisons, I also reran the RF Combiner Mod version.
Two HHH versions were Optimized to determine the "best":
ALT#1 - HHH is In-between Bowties and Reflector, providing best UHF & Hi-VHF performance.
ALT#2 - HHH is In-front of Bowties, included here in case a user prefers that arrangement.
##################################################################
ALT#1 - Optimized Dimensions for HHH In-between Bowties and Reflector:
Xh = - 1.12-in = Separation between Feedlines and Center of Bowties.
Diagonal Wire Lengths, Harness to Feedline = 2.69-in (Top-Left & Bottom-Right) AND = 1.67-in (Bottom-Left & Top-Right).
Yinner = 11.71-in = Y-Axis Distance from Harness to INNER Bowtie Feedline (Top-Left & Bottom-Right).
Youter = 11.71-in = Y-Axis Distance from Harness to OUTER Bowtie Feedline (Bottom-Left & Top-Right).
Each HHH wire Length = 16.07-in + 2 x 0.715-in eyelets on ends = 17.5-in. TOTAL.
Whatever lengths is needed to get around obstacles near attachment screws are to be subtracted
from Harness Length along Y-Axis, maintaining 1.12-in Separation between Harness and Bowties.
UHF Raw Gain = 14.8 to 14.7 to 17.8 dBi, F/B & F/R Min = 21.9 dB and SWR (300-ohms) Under 2.1.
Hi-VHF Raw Gain = 5.0 to 10.4 dBi, Peaky on Ch9, Hi-VHF F/B & F/R Ratio Minimum = 10.3 dB
and SWR (300-ohms) under 5.1.
Still, these are significant improvements over the AS-SHIPPED CM4228 version.
##################################################################
ALT#2 - Optimized Dimensions for HHH In-Front of Bowties:
Gap = 0.92-in (about 1.0-in) = Separation between Feedlines, Xh = -2.21-in = Separation between
Feedlines and Center of Bowties. Diagonal Wire Lengths, Harness to Feedline = 3.18-in
(Top-Left & Bottom-Right) AND = 4.19-in (Bottom-Left & Top-Right).
Yinner = 12.9-in (about 13.0-in) = Y-Axis Distance from Harness to INNER Bowtie Feedline (Top-Left & Bottom-Right).
Youter = 12.9-in (about 13.0-in) = Y-Axis Distance from Harness to OUTER Bowtie Feedline (Bottom-Left & Top-Right).
Each HHH wire Length = 20.27-in + 2 x 0.74-in eyelets on ends = 21.75-in. TOTAL.
UHF Raw Gain = 13.5 to 17.0 dBi, F/B & F/R Min = 19.9 dB and SWR (300-ohms) Under 2.6.
Hi-VHF Raw Gain = 8.7 to 6.4 to 9.3 dBi, but 2.5 dB NULL on Ch9 could be a Problem
Hi-VHF F/B & F/R Ratio Minimum about 10 dB, Except for DIP on Ch9 and SWR (300-ohms) = 24.2 to 2.3 to 4.4.
Although significantly lower Gain than ALT#1, these are small improvements over AS-SHIPPED CM4228 version.
PS: Views with Reflector Removed are included to facilitate seeing the HHH. |
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| 1656.
Aprons Made of high quality fabrics.
Many colors & patterns available.
Available in waterproof also.
Please email me for prices.
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Dog Sweaters I make each of these dog sweaters by hand. You can also order any of the sweaters with matching beds & blankets to go with them.
If you have a color(s) that are not show PLEASE feel free to email us and we will do our BEST to provide you with your request.
I will be added more of them as I finish. Check back often to see the new ones.
Please use this chart to make sure you get the correct size you need:
SIZE CHART:
XX-Small-(6 to 7" back length) fits 4-7 pounds (This size will fit a toy size Rat Terrier, Toy Fox terriers, Chihuahua, Yokie's)
X-Small-(8 to 9" back length)- fits 6-10 pounds (This size fits our small miniature to puppy Rat Terriers)
Small-(10 to 11" back length)- This size fits our large miniature Rat Terriers. It will also fit Jack Russel's and most other breeds which are the same sizes)
Medium- (12 to 13" back length)fits 17-20 pounds (this size fits our Standard Rat Terriers. It will also fit other breed the same size )
Large-(14" back length) fits 21-25 pounds.
X-Large- (16" back length)fits 26-30 pounds
XX-Large- (18" back length)fits 30-35 pounds
*PLEASE NOTE THE FOLLOWING
1). ALL orders here must be emailed to us first with size and color. We will send you the PayPal account info as soon as we receive your request.
2).If you don't see the size you need feel free to email me with ANY questions you may have about the size you want. Please e-mail us before you order if you are not sure of the size.
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Toy Rat Terrier Puppies Gallery Album
These are our available puppies as of 06/30/14.
Purebred and Registered Toy size Rat Terrier puppies available born May 2014.
Ready to go home July 2014.
They will be 4 to 7 pounds grown.
Males, black tricolor and chocolate tricolor. Piebalds and tuxedoes.
PLL Clear by parentage, tails docked & dewclaws removed.
Vaccinated, dewormed, written health guarantee.
In-home raised, well socialized, started on litter box & crate training.
Located in Phoenix, Arizona.
Message for more information!
info@microratz.com
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Renovation: St. Matthew's, Charleston (2014)| St. Matthew’s church sanctuary is currently undergoing an over $7,000,000 restoration. Over a period of many years, water has intruded into the structure, affecting the roof, exterior stucco walls, and ceiling. Restoration includes the removal of the slate roof, installation of a new roof deck, reinstallation of the slate roof, replacement of the fasteners on the copper portions of the steeple, new heating and air conditioning ductwork and equipment, parapet repair, new sound system, new interior and exterior lighting, repair of extensive termite damage and wood rot, lighting fixtures restored and re-wired for LED’s, removal of 85% of the exterior stucco, re-pointing all of the brick exterior surface, re-applying several layers of stucco to the entire building exterior, placing concrete and steel reinforcement into interior walls, installing a new marble center aisle, and new marble tile for the open air gathering space at the King Street entrance. |
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UKC Ch. "PR" Slick's Whispering Winds (November 16, 2013)"Munchkin" AKC# NP34705601, UKC# A638,819
PLL: Clear By Parentage
Cardiac: Too young
Patella: Too young
Hemo: Not yet
Bile Acids:
Microchipped
Hairless - Black Tan Tri Solid
Height: 12.5"
Bite: Scissor
Ears: Both Errect
Sire: UKC Ch."PR" Kalon's Wudnshu Starman
Dam: UKC Ch. Keough's Wudnshu Knockout
Bred by: Dorothy Baker & Teri Murphy
Bred/Owned/Loved by: Dorothy Baker
"Munchkin" Finished her Championship out of the puppy classes!!!!! |
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LA SANTA CECILIA AT THE RIALTO THEATRE (June 18, 2014)| Awesome show at the Rialto Theatre in Tucson this past week! It was our very first time seeing this group live & absolutely loved them! It's not often you can see Grammy winners in such a nice intimate venue. Be sure to get their latest CD "Someday New"! |
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