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Search found 606 matches

by k8jd
Fri Jul 14, 2023 6:39 pm
Forum: Engineering & DX'ing
Topic: Another antenna question
Replies: 6
Views: 1207

Another antenna question

I have been considering running more coax to get my AM/FM 36 " auto antenna away from the house and noise on AM. Currently it uses the incorperated high Z (maybe 90+ Ohms) Shieded fine wire coax and a 12 ft extension coax made for the auto radio design.. I was thinking of using some Cable TV grade R...
by k8jd
Sun Jul 09, 2023 2:29 pm
Forum: Engineering & DX'ing
Topic: CKSY completely wiping out Royal Oak Twp translator at 94.3
Replies: 5
Views: 1131

Re: CKSY completely wiping out Royal Oak Twp translator at 94.3

I’m spending the weekend at the family cottage outside of Lexington. The WBTI stick is less than 2 miles from me, so it usually booms in. But last night, it was struggling and fading in and out. Something was making its way in but I couldn’t identify it. This morning I did a bandscan on my Eton Min...
by k8jd
Sun Jul 09, 2023 2:27 pm
Forum: Engineering & DX'ing
Topic: CKSY completely wiping out Royal Oak Twp translator at 94.3
Replies: 5
Views: 1131

Re: CKSY completely wiping out Royal Oak Twp translator at 94.3

W232CA is listed as 99 Watts but up 899 Ft agl. Signal probably flies over your head :D
by k8jd
Fri Jun 30, 2023 7:56 pm
Forum: Engineering & DX'ing
Topic: AM Radio might have 10 more years
Replies: 44
Views: 6792

Re: AM Radio might have 10 more years

MotorCityRadioFreak wrote:
Sun Sep 04, 2022 7:58 pm
Other than 950, I can't say I listen.
I listen for bad signals and DX :D
by k8jd
Fri Jun 30, 2023 7:31 pm
Forum: Engineering & DX'ing
Topic: Seven tower array
Replies: 8
Views: 1360

Re: Seven tower array

WTKA is far enough from any major road , it's difficult to spot.
I see 4 towers at WTKA
by k8jd
Fri Jun 30, 2023 7:28 pm
Forum: Engineering & DX'ing
Topic: Night time FM E-Skip
Replies: 4
Views: 1157

Re: Night time FM E-Skip

E-layer can happen any time of day, but it's seasonal.
by k8jd
Thu Jun 22, 2023 8:26 pm
Forum: Engineering & DX'ing
Topic: AM directional arrays
Replies: 4
Views: 1190

Re: AM directional arrays

Colonel Flagg wrote:
Thu Jun 08, 2023 1:54 pm
How about posting a link to that discussion.

Sounds interesting.
All I can give you is QRZ.com...
I started reading the pages by Carl Smith and got lost in the math by page 40 !
by k8jd
Sun Jun 18, 2023 6:45 pm
Forum: Engineering & DX'ing
Topic: Televes Hi-VHF Yagi
Replies: 34
Views: 4645

Re: Televes Hi-VHF Yagi

CKLW-TV had a much better signal from the Riverside Dr. tower. Too bad they couldn't have just put a tower or building up there somewhat taller than the Ren Cen. But moving was also part of a Canadian government restriction of Canadian stations appealing to a US audience and advertisers that began ...
by k8jd
Sun Jun 18, 2023 6:43 pm
Forum: Engineering & DX'ing
Topic: Televes Hi-VHF Yagi
Replies: 34
Views: 4645

Re: Televes Hi-VHF Yagi

When I read the antennas under test were "inside an attic"......Well I made up my mind . THAT'S the PROBLEM.
by k8jd
Sun Jun 18, 2023 6:32 pm
Forum: Engineering & DX'ing
Topic: Hammarlund HQ 140
Replies: 2
Views: 852

Re: Hammarlund HQ 140

That was a great, old "Boat Anchor " of a radio. I have had my share of old receivers donated or sold to me cheap as I was growing into the radio hobby. I have had Hallicrafters, heathkit, hammarlund, RME, WW2 surplus of unknown manufacturer, and so on. Sometimes a beat up, rusty, dubious looking ra...
by k8jd
Sun Jun 04, 2023 7:48 pm
Forum: Engineering & DX'ing
Topic: AM directional arrays
Replies: 4
Views: 1190

AM directional arrays

I saw an interesting discussion of phased vertical antennas. On QRZ.Com/ sub Antennas towers etc.
Lot of the engineering hams jumped in with modeling software graphics.
Reminds me of my study of AMBC tower arrays in my youth !
by k8jd
Thu Jun 01, 2023 4:34 pm
Forum: Engineering & DX'ing
Topic: FM DX e-skip 5/31/23
Replies: 15
Views: 2095

Re: FM DX e-skip 5/31/23

I lived in Livonia from 1949 to 1963, In about 1961 I got a three tube Granco FM tuner and connected a twinlead dipole that I tacked to my bedroom wall. Heard and sent reception reports to distant stations all over the map. Got some QSL cards and letters frm ON, W.MI, OH, IN , IL etc. This was long ...
by k8jd
Wed May 24, 2023 11:51 am
Forum: Engineering & DX'ing
Topic: Alternate FM channel use in Canada
Replies: 2
Views: 928

Re: Alternate FM channel use in Canada

I don't think directional ants are used for protecting other stations on FM like they do on AM ??
by k8jd
Fri May 12, 2023 2:59 pm
Forum: Broadcasting - General
Topic: FM Transmitter Range
Replies: 60
Views: 7062

Re: FM Transmitter Range

Who mentioned hiding tha box and antenna in a tree on state land. ? This 1000 W transmitter will need a 20A #12 Romex power wire going to it , assuming about 2 kW of 120 VAC power to generate 1 Kw of RF output.power .
I sure would leave a $1000+ of gear behind ANYWHERE!
by k8jd
Fri May 12, 2023 2:41 pm
Forum: Engineering & DX'ing
Topic: Last Electronics Store
Replies: 37
Views: 7272

Re: Last Electronics Store

Anything like it in MI >? I used to ride my bike to Bauers Industrial in old redford in Detroit ! Bought Xtals to use in my novice station from them..