Dan Mills
  • Member for 5 years, 1 month
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Can my neighbor's ham radio antenna be interfering with my internet signal or is my internet provider just throwing blame elsewhere?
9 votes

A HF transmitter can interfere with a DSL service if the conditions are right simply by inducing more RF on the drop wire then the DSL modem (Which always cheap out on front end electronics) can cope ...

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Can 433 MHz amateur bands be used for ISM purposes?
2 votes

There is (In many countries) a small slice of the 70cms band that is allowed to be used for LPD use (The name varies), basically low power, low duty cycle things like door openers, car alarm keyfobs, ...

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How should this SWR meter's directional coupler work?
2 votes

C4/C5 form a capacitive voltage divider, L2 provides a DC return path for the meter current which needs to get back to the center tap to close that loop, and I suspect R2 lowers the Q of the ...

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