https://hamradioforum.net/ en Mon, 03 Jun 2019 07:30:42 GMT vBulletin 60 https://hamradioforum.net/images/misc/rss.png https://hamradioforum.net/ https://hamradioforum.net/threads/8931-The-lovely-C-B?goto=newpost Sat, 18 May 2019 16:27:26 GMT Okay, I know I can talk around the world with ham, and C.B. radio had a period where it went down hill pretty severely. Yes I've got my ham license, no I don't want to hear how bad it is I use C.B. too.

Okay, so I got a box of C.B. radios for next to nothing, and they have been properly tuned and amplified, again I am aware that anything over 4 watts is illegal, aka tweaked and peaked. These radios are great for road trips and such and CB is where I got started and has held my interest for years. It seems as though use overall in my area is down to very little except some true oldtimers. Is there anyone else willing to say they started on a CB and it's still a great way for unlicensed communications, and has a viable spot on the shelf next to the all bander, or even in the all bander transmission list low power? Just a brain picker question.

Sent from my SM-S767VL using Tapatalk ]]> Non-Ham Radio KD9KVS https://hamradioforum.net/threads/8931-The-lovely-C-B https://hamradioforum.net/threads/8927-Homemade-FM-Receiver-75-vs-300-ohm?goto=newpost Wed, 15 May 2019 21:43:54 GMT Greetings, I made an FM receiver for my desk at work so I could utilize an external antenna located some 40 feet away I had planted in a window... Greetings,

I made an FM receiver for my desk at work so I could utilize an external antenna located some 40 feet away I had planted in a window for better reception. The indoor antenna kit I got came with an F connector that gave me a signal and a ground wire connection, I'm assuming the red wire is the signal and the black is ground, anyway this is the way I hooked it up and it seems to work well. I connected the ground wire to the brass fasteners, I'm assuming the corner bushings on the circuit board can serve as a ground, is this correct? I'm assuming a single antenna connection point implies a 75 ohm impedance on the receiver side?


https://drive.google.com/file/d/16zo...ew?usp=sharing


https://drive.google.com/file/d/1EQs...ew?usp=sharing

I'm trying to build a duplicate FM receiver in the same fashion for one of my jealous co-workers. The issue is that the only F connectors I can find for sale are the double lead 300 ohm variety, the one I bought is "matching". How do I get this double lead F connector to work on my single point circuit board?

1) Twist leads together and solder both to single point circuit board input?
2) 1 lead to circuit board and 1 lead to ground?
3) 1 lead to circuit board and 1 lead disconnected?


https://drive.google.com/file/d/1JiT...ew?usp=sharing


https://drive.google.com/file/d/1CKl...ew?usp=sharing ]]> Non-Ham Radio DMack https://hamradioforum.net/threads/8927-Homemade-FM-Receiver-75-vs-300-ohm