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About George Derringer
(Top Expert on this page)

Expertise
I know a great deal about shortwave radio and Macintosh computers, especially older ones.

   

You are here:  Experts > TV/Radio > Radio > Ham Radio

Questions Answered By Expert  George Derringer 
In Category  Ham Radio

SubjectDate Asked

SONY 7600GR9/13/2009
  Q: I would like to listen to overseas radio stations (shor-wave radio stns) in my car (!). I read a ...
  A: You have chosen a fine radio -- but shortwave doesn't work well in moving cars. The metal of the ...
SHORT WAVES RADIOS.7/9/2009
  Q: SIR, WOULD YOU PLEASE LET ME KNOW THAT WHICH ARE BEST POSSIBLE SW RADIOS[BOTH PORTABLE AND DESK TOP] ...
  A: Well, "Best" is a judgment call and depends on how much money you can spend. I can offer you a few ...
Ham Radio vs Wireless Security Systems5/4/2009
  Q: I am writing to ask about possible interference between Ham Radio signals and wireless burglar alarm ...
  A: There really is no reason that amateur signals should interfere with your wireless security system ...
ham radio2/6/2009
  Q: do intercontinental hams connect to each other via internet cables(IRLP), i.e. with internet as ...
  A: Well, my young friend, let me assure you that "ham radio," better described as "amateur radio," has ...
frequencies12/25/2008
  Q: .hope you can help! santa brought a police scanner today, but he did not bring a list of ...
  A: Yes, start here: http://www.radioreference.com/apps/db/?stid=28 Be sure to visit: ...
shortwave radio/ FCC/ Fairness Doctrine12/3/2008
  Q: George Derringer, Will the Fairness Doctrine have any control over shortwave radio or ham radio? ...
  A: The FCC does not have authority over the Internet because although it's called "webcasting," it's ...
shortwave radio/ FCC/ Fairness Doctrine12/2/2008
  Q: George Derringer, Will the Fairness Doctrine have any control over shortwave radio or ham radio? ...
  A: The Fairness Doctrine was used, soon after its adoption way back in the 1960s, to strip a radio ...
scanners and freq10/15/2008
  Q: .with Christmas only two months off, i am wanting to see if santa will bring me a police hand held ...
  A: OK, things have changed a lot. First, at least some of your local agencies are probably using ...
Ham Radio Reception9/26/2008
  Q: I am interested in using a ham radio, but I live in an area where AM reception is terrible. Is that ...
  A: Well, it depends. No, the kind of AM reception you get doesn't indicate much at all. Here's why. If ...
ALC/9/21/2008
  Q: I am trying to get back on the air after a long absence due to health issues. Recently, I built an ...
  A: I'd guess a bad ground, coax or otherwise -- that would normally be far more of a problem when ...
Cordless phone conversations being picked up by Ham Radio operator on his tv next door9/19/2008
  Q: and he was polite enough to inform us that our cordless phone OUTGOING conversation can be heard on ...
  A: The answer is yes: He can buy or build what are called "traps" to attenuate the signals on the ...
Cordless phone conversations being picked up by Ham Radio operator on his tv next door9/18/2008
  Q: and he was polite enough to inform us that our cordless phone OUTGOING conversation can be heard on ...
  A: Are you sure he's not joking? Your newer cordless phones are probably digitally encrypted, which ...
Any audible signals on a 40 Hz AM radio?9/12/2008
  Q: What would be heard on a 40 Hz AM DX receiver that uses the most sensitive type of magnetic loop ...
  A: Well, I confess I've never tried a 40 Hz radio but I suspect that galactic noise won't be heard and ...
BC148xlt Scanner8/14/2008
  Q: Is there a possibility of programming channels into this one? It is at least twelve years old. With ...
  A: Well, sure -- unless I misunderstand your question (always a possibility), you're looking for the ...
shortwave radio w single sideband8/6/2008
  Q: My father is 90 he needs a new radio with shortwave & singlwside band. We havw purchased 5-6 radios ...
  A: You really need single sideband, huh? The two good portables with bright, easy-to-read digital ...
ham radio interference7/27/2008
  Q: We have 10.com surveilance cameras front and back - we can monitor the front yard 24 hours with a ...
  A: Yes, I would try the filter but you should remember that amateurs have legal priority over your ...
Please recommend best SW portable radio6/9/2008
  Q: I read a nice reply you gave to another fellow who is a novice to SW radio like me so thought I'd ...
  A: Well, the Sony 2010 was an excellent portable -- you probably know by now that it is no longer being ...
block ham raido waves12/29/2007
  Q: neighbor has a ham raido,when he uses it, I have a loud humm moving through my house,also my ...
  A: Well, no, that won't work but it sounds like your neighbor's transmitter is causing what are called ...
FM radio reception11/1/2007
  Q: I get The FM radio stations just fine in my vehicle , most of the time even right around my home. I ...
  A: Easy enough -- If you have a nearby Radio Shack (in the U.S. or Canada), go get a dipole FM antenna, ...
6 Meter Propagation9/5/2007
  Q: What type of propagation can I expect on 6 meters under average circumstances? In other words, ...
  A: There would be very little difference, if any, though the 6-meter signal would theoretically be a ...
6 Meter Propagation9/4/2007
  Q: What type of propagation can I expect on 6 meters under average circumstances? In other words, ...
  A: In general, no. Those frequencies bounce off the ionosphere only during solar storms or extremely ...
programming question8/20/2007
  Q: sorry to bother you with such a simple question. I have a bearcat bc148xlt scanner and i always have ...
  A: That scanner won't go any higher in frequency that 512 Mhz, so if you have 800 MHz in your area, ...
programming question8/20/2007
  Q: sorry to bother you with such a simple question. I have a bearcat bc148xlt scanner and i always have ...
  A: OK, I can't tell you how to program your scanner, but I'd suggest you look around the Internet by ...
fm radio repeater8/10/2007
  Q: Would like to buy a repeater for our station in Nicaragua.Who can I deal with without the geek ...
  A: Two good choices: http://www.shopramseyelectronics.com/ (I have used a Ramsey) and ...
Tube Radio Repair7/4/2007
  Q: I've got a Hallicrafter that dates back to about 1960. When I turned it on after many years of ...
  A: An S-120? SX-55? I've got one of those myself. If there's nothing smoking -- which would likely be ...
SSB listening in shortwave radio12/8/2006
  Q: I am a ardent shortwave radio listener living in Singapore. Recently i've brought a very good ...
  A: I'll try to help, Kelvin. First, remember that you need SSB only to listen to transmissions in ...
antennas11/17/2006
  Q: I've recently purchased a Eton portable shortwave (the one that looks like a field radio) based on ...
  A: Ah, yes, Radio Shack -- maybe I should be glad they still sell radios. Actually, assuming you ...
radio signals/ roofing10/11/2006
  Q: I have a client that can't decide on a metal roof until they know whether or not they interfere with ...
  A: Audrey! A metal roof will DEFINITELY cause problems for any antenna in the attic, no matter what ...
Emergency Channels9/30/2006
  Q: If a CB radio doesn't have a PA switch will it still work to communicate and hear the emergency ...
  A: I don't know what CD radio you have but I really wouldn't trust it for an emergency unless I really ...
Uniden Bearcat - BC148XLT - 20 Channel 10 Band Scanner9/5/2006
  Q: I purchased my husband this scanner about 10 years ago. We've moved several times and unfortuntely ...
  A: I have bad news, I'm afraid. I happen to have one of those exact scanners on a bookshelf near my ...
Ham Antenna8/12/2006
  Q: Just got back into Ham Radio after a 10 year break. Have a Yaseu Dual Band HT (2Meters / 440)with a ...
  A: Jim! Why, sure, it will work -- but you'll likely find that it works better if you extend it only ...
Which 1 should I buy?8/3/2006
  Q: I would like to know what kind of scanner to buy to listen to the railroad in my area, I already ...
  A: Pretty near any scanner is going to do it for you, since almost all have at least 100 programmable ...
Frequency & Wavelength Formulas5/15/2006
  Q: in the formula: f = 300/wavelegth, where does the term "300" come from? Thank you. p.s. I am new ...
  A: Darned if I know -- maybe I should have been a math major! -- but here's a good explanation or two: ...
two way radio4/13/2006
  Q: I get unknown callers on my two way radio when they are turned on.I want to buy a new pair that will ...
  A: Leonard -- Not sure we can keep within the price range but you need a modern two-way personal or ...
Police scanner and CB radio antennas8/9/2005
  Q: I have a base CB radio. I wanted to get the antron 99 antenna for it, But I'm going to shortly get a ...
  A: Bad news, Mike! Those two purposes are so disparate that you really need two antennas -- UNLESS you ...
low volume of radio6/11/2005
  Q: where is the fault of a radio if you heard a weak sound even is in the high volume? thank you hoping ...
  A: Two main possibilities: failure of the power transformer or its microchip equivalent or a dirty ...
FM Radio Transmitter?5/21/2005
  Q: I am wondering if you know anything about shortwave FM Radio transmitters. I am looking for ...
  A: Jerrod! Oh, there are lots of them available and most I'm going to suggest are even legal! The trick ...
AM Radio queston2/17/2005
  Q: I live about 50miles North of the Tower I listen to. During the day, I get the station fine, but ...
  A: Victor! This is actually an easy one. The station you listen to during the day (KVOO, perhaps?) has ...
shortwave radio on computers?10/29/2004
  Q: Can I listen to shortwave radio on my computer? Where can I learn how to do this? Thanks!
  A: You bet, Carol! Go to www.comfm.com, a site based in France, and choose the country you want to ...
Shortwave6/23/2004
  Q: ------------------------- Followup To Hi, George, So you're saying that adjusting the RF ...
  A: Oh, boy! Well, they're relatively independent compared to a good old five-tube superhet tube radio. ...
Shortwave6/22/2004
  Q: again, George. It's me again. Oh boy. I meant to ask more clearly last time, but, since I adjusted ...
  A: Yes, I am suggesting you not play with the other capacitors because you will, with even a 1-16th ...
Shortwave6/16/2004
  Q: Mr Derringer. Just to follow up, I adjusted some of the tuning oscillators on my Katio WRX911, to ...
  A: Eric! You are into this big-time, so go for it, but I bet you end up putting the screws pretty much ...
Grundig Mini World 100 PE6/10/2004
  Q: Mr Derringer. I opened up my 100 PE to calibrate it, which I did w/ the 3 tuning adjustment screws ...
  A: again, Eric! In theory, changing the oscillator can change the RF but in practice, given the ...
Grundig Mini World 100 PE6/8/2004
  Q: Mr Derringer. I opened up my 100 PE to calibrate it, which I did w/ the 3 tuning adjustment screws ...
  A: I happen to actually have a 100PE. First, I have no idea what those other screws do. Second, you ...
reception6/8/2004
  Q: I have a radio reception problem. I live in a canyon and cannot get decent FM radio reception. I ...
  A: Larry! Canyons are tough -- as you know, FM and TV are line-of-sight signals. Having said that, the ...
TRUNKING3/21/2004
  Q: I am still trying to understand the full meaning of what "Radio Trunking" means. Can you help me on ...
  A: Shane! Well, the term "trunking" comes from the practice of putting the radio equipment in the ...
Short Wave Radio Question12/10/2003
  Q: I am a 51 year old man, not mechanically/electronically talented. But I was thinking of getting a ...
  A: Michael! Hmmm .. several questions there. First, on the radio, the Sony 7600GR is a fine radio, easy ...
Short Wave Radio12/24/2002
  Q: My question relates to my 93 year old sightless father and his delight in listening to amateur radio ...
  A: Richard! Not that I know of, but I do know exactly where to send you for help in finding what you ...
novice asks, 'which shortwave to buy'?12/13/2002
  Q: This is probably too trivial a question for your expertise, but you are the only person who ...
  A: Pat! I would recoomend a good shortwave radioo insread of a good AM radio like CC Crane! There is ...
shortwave radios10/3/2002
  Q: I know nothing about shortwave but would like to purchase a portable receiver unit to listen to ...
  A: Henry! All of these are excellent receivers, all under $200 US, but there are differences. No, all ...
shortwave radio2/25/2002
  Q: I was wondering about shortwave radio. Is shortwave the same as HAM? What can you pick up on ...
  A: Eric! "Ham" radio is a subset of shortwave radio. Hams talk to each other and you can listen to ...
radio with programable recording10/28/2001
  Q: I am looking for a radio with (am/fm/shortwave?)and a programable recording capability. I would like ...
  A: Eugene! You know, there were a bunch of these in the mid-1980s but as cassettes have been slowly ...
radio4/28/2001
  Q: want to buy a radio and know little about them. appearance doesnt matter,but need good ...
  A: Mike: I would recommend a receiver from a reputable company, but you should make very sure that it ...
Use of discarded Primestar satellite dish6/15/2000
  Q: Can a primestar dish be used to get signal from any earth orbit satellites on 2 meters or 70 cm?
  A: Gee, Mort, I wish I could give you a more encouraging answer. The basic answer is no: you need a new ...
Portable Shortwave Radios6/8/2000
  Q: I am interested in getting a portable s/w radio for travel overseas. I`ve seen some at radio Shack ...
  A: Brian: Well, the good news is that very few really BAD shortwave radios are being made any more. And ...
Indoor AM radio reception4/19/2000
  Q: Can you tell me if there is a more powerful AM radio that will allow me to get AM signals inside an ...
  A: Mark: I think I have bad news. If you are on the interior of a steel-frame building, the odds are ...

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