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-   -   TV modulator mod? (http://www.videokarma.org/showthread.php?t=276817)

jhalphen 09-23-2024 02:22 PM

Hi to all,
Hi LuRaichu,

well Broadcast quality gear is not going to be at cheapo consumer prices!
That said, 1K$ for 2W is rather steep.

Have a look here, PCS Electronics, Eastern Europe, ship worldwide :
TV Tx, VHF & UHF, 10W or 20W, new, Broadcast quality :

https://www.pcs-electronics.com/shop...i-transmitter/

All analog Tx models, there is a 200W VHF/UHF, others generate 400W/600W/1KW :

https://www.pcs-electronics.com/prod...-transmitters/

Reminder : all these power levels are totaly illegal without a Broadcast licence & assigned channel.
If you want to go "mobile", i would use 10 or 20W and a Yagi directional antenna.

In Europe, VHF Band III (ex-TV) is now used by DAB+ digital radio (interference to a Legit service).
VHF Band I is abandoned.
In the US, some ATSC Tx use Band III. is Band I still in use?

Best Regards
jhalphen
Paris/France

luRaichu 09-23-2024 06:17 PM

Quote:

Originally Posted by jhalphen (Post 3260085)
In the US, some ATSC Tx use Band III. is Band I still in use?

In my area I know there is an NBC station on channel 4-1, IIRC it uses the real channel 4 frequency. Of course I know ATSC allows you to display a "fake" channel number but looks like Band I is still used in Washington, D.C.

luRaichu 09-24-2024 10:38 AM

I still have multiple 2W amps on hand though. How would I go about combining the output of two or more amps into one RF signal?


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