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Am1000 Rangemaster Test

Today, I put my rangemaster on 1700; i was fighting with Oakland Int'l airport, but I managed to get a solid 1.2 miles clear as crystal sound.What's so remarkable about this? No grounding at all. This...

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Coverage Area Article

I humbly submit my first "article" written for the Part 15'er.http://www.ironrangecountry.com/coveragearea.htmlTim in BoveyForums: Transmitter Talk

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Talking house, changed antenna?

Did talking house change antenna design?Saw talk of old one with coil and coax.  Current looks to be chassis coil and whip.Forums: Transmitter Talk

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Knight Kit

IF you have always wanted a Knight Kit radio transmitter they have one now on Ebay...http://www.ebay.com/itm/Knight-Wireless-Broadcaster-Amplifier-AM-Transmi...Forums: Transmitter Talk

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Insane Ideas

The Extended Band, the AM "X" Band, is different for every location.In this particular location 1600 kHz is occupied by a local licensed station which has smartly discontinued their iBAH digital...

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measuring FM deviation / occupied band width

no mod monitors available to me so I did a little experiment with what I hadon hand to check my FM occupied bandwidth.this is what I did.Tools:Atenn AT5005 spec analyzerCarver TX11b with aftermarket IF...

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FM Slaughter

The FM dial here in the St. Louis area keeps getting more plugged up by more translaters, boosters, several LPFMs will be starting, and outlying high power stations keep moving closer in.I had a sweet...

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Pre-emphasis why different curves for U.S. and Europe

Why not the same?Forums: Transmitter Talk

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Stereo Tool 222 Workaround

Presets: AM presets now turn on AM mode, US AM presets also turn on AM pre-emphasis.Intended for Winamp, SAM Broadcaster, Jazler, RadioBOSS, MediaMonkey, AIMPand other applications that support Winamp...

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From Orban about Asymmetrical Modulation

Orban:'While the physics of carrier pinch-off limit any AM modulation system to an absolute negative modulation limit of 100%, it is possible to modulate positive peaks as high as desired. In the...

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Current Carrier Article

http://blogs.telosalliance.com/discrepancy/found-in-the-attic-february-2014Forums: Transmitter Talk

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Frequency switch Settings For SS-Tran AMT-3000

So my first AMT-3000 is at my house.But my second AMT-3000 is withsomebody else quite some distancefrom me.  I believe both instructionmanuals are in that far away place,also.  Communications with my...

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Thoughts and Ideas

Things change over time. It might be redundant to say so, since change, by definition, requires time in which to occur, therefore mentioning that "change happens over time" is like saying "given enough...

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Knight Kit Fan Page

Seen this before? Neat memorial to the legendary Knight Transmitter Kit with some good tech details.http://www.knightkit.com/Forums: Transmitter Talk

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dirt cheap Medium Wave PLL Synthesizer

$12.00 AM Band synthesizerhttp://www.tompolk.com/radios/frequencysynthesizer/freqsynth.htmlForums: Transmitter Talk

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We are a hot topic over at HB.net

I just got word from my inside man over at HB.net that we are the topic of discussion behind HB.nets iron curtain forum Aka: one to one forum. wonder we we are of such interest to them and why the need...

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Amazing Radio Brandy Snake Oil Antenna!

Here's the problem, gang.  I know some of you have read this ad before and knew enough to simply poopoo it off right away. The trouble is we're getting questions from people that *believe* what is...

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How much compression do commercial FM stations use?

I've always wondered around what ratio of audio compression do commercial Fm stations use? You know 2:1 4:1 6:1 like thatForums: Transmitter Talk

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Enhancing The Ramsey for CC

Ran across this on FB.  Sorry if it has already been posted.http://teslapress.com/am25.htmlForums: Transmitter Talk

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FM Pre-emphasis

I'm currently experimenting with an older FM transmitter that I ran across, and it has, I believe, 50us pre-emphasis.  I note that when I listen to this transmitter with a receiver that uses 75us...

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