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Search found 65 matches

by jimh
Wed Jan 12, 2022 9:33 am
Forum: Northern Lower Michigan/Eastern U.P.
Topic: UHF TV Reception in Northern Leelanau County
Replies: 14
Views: 2253

Re: UHF TV Reception in Northern Leelanau County

I have deleted by comments about reception in Northern Leelanau county as the thread seems more interested in reception in Norwood.
by jimh
Mon Jan 10, 2022 3:10 pm
Forum: Northern Lower Michigan/Eastern U.P.
Topic: UHF TV Reception in Northern Leelanau County
Replies: 14
Views: 2253

Re: UHF TV Reception in Northern Leelanau County

Again, since the thread topic has been shifted to reception in Norwood, I have deleted my comments about reception in Leelanau County.
by jimh
Mon Jan 10, 2022 1:35 pm
Forum: Northern Lower Michigan/Eastern U.P.
Topic: UHF TV Reception in Northern Leelanau County
Replies: 14
Views: 2253

UHF TV Reception in Northern Leelanau County

I have deleted my original comments about UHF TV reception in northern Leelanau County because follow-on comments seemed to focus on reception in Norwood. I have no data to offer about reception in Norwood. Norwood is located in Charlevoix County, not in northern Leelanau County. Readers interested ...
by jimh
Thu Jan 28, 2021 10:18 am
Forum: Metro Detroit/SE Michigan
Topic: Historic WWJ building to be redeveloped
Replies: 6
Views: 2161

Re: Historic WWJ building to be redeveloped

SOLARMAX--thanks for the update on no progress. I have been meaning to drive past the WWJ site on 8-mile to see what had been done. You saved me a trip.
by jimh
Thu Jan 28, 2021 10:06 am
Forum: Metro Detroit/SE Michigan
Topic: FSD will be BSD
Replies: 16
Views: 4175

Re: FSD will be BSD

This may be big news in the world of pro-sport websites that appear to all have announced this a few hours ago, but it was no big secret. The name change was announced publicly in November 2020. See https://www.cordcuttersnews.com/sinclair-regional-sports-networks-will-be-rebranded-as-bally-sports/ ...
by jimh
Mon Jan 25, 2021 9:05 pm
Forum: Engineering & DX'ing
Topic: Antennas Spotted On Helicopters
Replies: 11
Views: 2383

Re: Antennas Spotted On Helicopters

Ben Zonia wrote:
Mon Jan 18, 2021 2:10 pm
So where does the gain come from?
All antenna gain referenced to an isotopic radiator occurs by concentration of radiation in a main lobe and reduction of radiation in another direction.
by jimh
Mon Jan 18, 2021 3:31 pm
Forum: Engineering & DX'ing
Topic: Fixed antenna for CICO & CBET
Replies: 35
Views: 7384

Re: Fixed antenna for CICO & CBET

Follow up with a report on the Stellar Labs Model #30-2440 Fringe antenna. Give an assessment of the build quality and the reception signal strengths.

I have noticed STELLAR LABS makes many TV antennas with very reasonable costs.
by jimh
Mon Jan 18, 2021 12:51 pm
Forum: Engineering & DX'ing
Topic: Antennas Spotted On Helicopters
Replies: 11
Views: 2383

Re: Antennas Spotted On Helicopters

Read the data sheet. The antenna under discussion is an aircraft antenna for 243 to 318-MHz. It has right-hand circular polarization and a gain of 6 dBiC (decibels referenced to a circularly polarized, theoretical isotropic radiator). The antenna is designated as a SATCOM antenna, which I presume me...
by jimh
Sat Jan 02, 2021 11:19 am
Forum: Metro Detroit/SE Michigan
Topic: Local TV stations blow the Christmas Eve & Christmas Day weather forecast
Replies: 19
Views: 4182

Re: Local TV stations blow the Christmas Eve & Christmas Day weather forecast

In support of Paul Gross, I would like to say: --he was actually trained academically at a rather good University (Michigan) and graduated cum laude with a Bachelor of Science in Meteorology ; --he has been, for more than 25 years, the behind-the-scenes guy at the WDIV weather center doing the actua...
by jimh
Thu Dec 17, 2020 1:19 pm
Forum: Engineering & DX'ing
Topic: Fixed antenna for CICO & CBET
Replies: 35
Views: 7384

Re: Fixed antenna for CICO & CBET

...I mean the HD-7000R.... If the thing in the middle is... The image is really very low resolution. I don't understand what "the middle" refers to. It looks to me like one or two elements are lengthened and there is a joint of some kind. I cannot offer any inference about what that joint is. This ...
by jimh
Wed Dec 16, 2020 3:56 pm
Forum: Engineering & DX'ing
Topic: Fixed antenna for CICO & CBET
Replies: 35
Views: 7384

Re: Fixed antenna for CICO & CBET

CK-722 wrote:
Wed Dec 16, 2020 1:23 pm
What are the devices in the center of each side of the Low VHF dipole? Center loading? Capacitance coupling? Explain if you can what that does in this case.
Which of the antenna suggested to the OP to receive CICO or CBET are you talking about?
by jimh
Wed Dec 16, 2020 3:54 pm
Forum: Engineering & DX'ing
Topic: Fixed antenna for CICO & CBET
Replies: 35
Views: 7384

Re: Fixed antenna for CICO & CBET

...HD-7000R...which includes a VHF-Low addition....is not OTARD compliant with the VHF-Low kit installed...Without installing the VHF-low kit, it fits inside a one-meter sphere, making it compliant with the OTARD rule...It will not fit in a 1m sphere with the VHF-Low kit. I don't see where you came...
by jimh
Wed Dec 16, 2020 9:16 am
Forum: Engineering & DX'ing
Topic: Fixed antenna for CICO & CBET
Replies: 35
Views: 7384

Re: Fixed antenna for CICO & CBET

I called Winegard a couple of months ago and asked the technical department if they had any new designs. They said no. On the new topic of revised antenna designs: With the repack, the UHF TV antenna could be optimized for the narrower band. With only Channels 14 to 38, a new antenna could be desig...
by jimh
Wed Dec 16, 2020 9:05 am
Forum: Engineering & DX'ing
Topic: Fixed antenna for CICO & CBET
Replies: 35
Views: 7384

Re: Fixed antenna for CICO & CBET

An antenna for CBET-9 or CICO-32 does not need VHF low-band elements.
by jimh
Tue Dec 15, 2020 9:14 am
Forum: Engineering & DX'ing
Topic: Fixed antenna for CICO & CBET
Replies: 35
Views: 7384

Re: Fixed antenna for CICO & CBET

Regarding reception of CICO and CBET: I recommend you look at your signal path to their co-located transmitter site. Use GOOGLE EARTH to draw a line from their antenna to your location. Carefully look along the path to see if there are any large, tall buildings that are in the path, particularly in ...