[50mhz] Fwd: [NEWSVHF] TVI Notch Filters purchase update

[Lance Collister, W7GJ]

-------- Original Message --------
Subject: [NEWSVHF] TVI Notch Filters purchase update
Date: Mon, 13 Feb 2012 10:34:16 -0500
From: Ron Klimas WZ1V <wz1v at sbcglobal.net>
To: newsvhf at mailman.qth.net

Update: I ordered 75 of these last week.
After word got out to the EME community, nearly all were spoken for overnight!
I had no idea there would be so much demand. I should have ordered a
few hundred. I'm looking at early March on delivery, these are being
custom made.
There will be a Paypal/cc e-commerce page for ordering. I will notify
everyone who responded first to have first dibs. I prefer Paypal
payment. Also the final price may be a few dollars less than thought!
I was told they're giving me the same price as if I had bought 100+
which is OK by me! I'll likely do a second group purchase in April.
I'll try to add a 432.1 MHz filter at that time.
-73, Ron WZ1V

Note: I guess I should have emphasized these are Receive filters!
To be installed at the affected neighbor's CATV or OTA installation.
For CATV TVI, you'd usually place these inline with the demarc
splitter or distribution amp input, For OTA HDTV, at the TV RF input
conn, or preamp input.
I need more interested parties to get the quantity price of $15 (and
by the way that price includes shipping), so I'll wait another day or
2 before giving up. I need to minimum order 25 of each frequency. So
if you're interested, now's the time to let me know. Even if you've
never had a complaint, having a few of these on hand is like cheap
insurance (just in case):

Hi: I received my first TVI complaints a few weeks ago after nearly a
year operating from the new QTH. (at least my January contest effort
was noticed by someone, HI). Some of you may recall those great
"bullet" type notch filters K1UHF was selling ten years ago. These
solved ALL my TVI issues at the last QTH. I can make these available
once again IF there's enough interest in a group buy. These are
shaped like a shotgun shell / house fuse but smaller with a male F on
one end and female F connector on the other, completely shielded
metal tube enclosure. The 50.1 MHz filter has over a -65 db notch,
the 144.2 model has over -75 db rejection. Both have ample bandwidth
to notch out the entire low end of the band. Insertion loss is less
than 1 dB through 860 MHz, and very reasonable through 1 GHz. Sweeps
of each are here:

http://www.wz1v.com/6mnotch.pdf

http://www.wz1v.com/2mnotch.pdf

IF there's enough interest, I can make these available for the low
price of $15 each. That's less than you'd pay for the cheapest high
pass filter, and these are FAR more effective. WHO'S INTERESTED? -
reply privately - I need enough pre-order commitments to justify a
group purchase, so reply only if you're seriously interested, and
indicate how many of each frequency you'd want.
If you'd also be interested in a similar 432.1 filter let me know.
-73, Ron WZ1V

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