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Does anyone have an idea about unlocking the clarifier on the European model President McKinley? The board is much different than its USA counterpart.

I'm trying to check the Bias on the driver and final on my DX949. I have the service manual from CB Tricks. It states BIAS Current: Set radio to CH 20 USB TX mode. MOD off. Step 1 Connect current meter to TP7(+) and TP9(-) VR12 50 mA Step 2 Connect current meter to TP7(+) and TP8(-) VR10 100...

I'm thinking about purchasing a spectrum analyzer. I have this one in mind. https://www.tequipment.net/Rigol/DSA705/Spectrum-Analyzers/?OrderItemId=6231334 About six months ago I got tired of having other people do my radio work and I decided to give it a go myself. I purchased a oscilloscope...

Can the Palomar 2030+ mosfets work as a replacement for the At6666, President Lincoln 2 +, and Stryker SR 955 HPC? Do they allow the radio to do more Peak power vs the FQP13N10 with a simple component change? Or is it just salesmen tactic?

I have a brand new one. I followed the steps in the ranger service manual. My question...... Will anyone notice 30hz high in frequency while transmitting on AM? I have a Heathkit 8-digit resolution frequency. Aligned with my IC 7300 on 10MHZ. After doing the frequency alignment on the Ranger and...

Years ago a guy who used to work on my radios had some way to enable the S/RF bar graph meter that is embedded in the display read out of a 2990. Does anyone know how to do that? If you look at the display board of a 2950 it is already active. The display board in a 2990 is pretty much the...

Has anyone ever purchased a new ranger 2995dxcf? From what I understand the E chip is included in the stock mic package. Looks simple enough to install myself. Work all the different shops selling this radio and offering alignment ECT. Its kind of confusing knowing if that's really even...

Why is it that all the major HF transceiver manufacturers set the AM modulation level so low in their radios? Is 100% AM modulation not the standard in AM broadcasting?

Do u align Tx frequency after first powering on? Or after it warms up? If after warm up, how long should I wait for proper warm up? 73, Mike

I got a new DX 959. Not the newer blue version. I was going through the service manual info on CB tricks.com to align the PLL and TX sections. I noticed the LSB (L22) and USB (L21) adjustments are located underneath the frequency counter board. How does one remove the freq counter board to...

I have one. It has 2 2sc2879's HG brand in it. I'm seeing 150 watts pep on AM and SSB with a HR2510. Its drawing around 12-15 amps from my power supply. I notice the low power level is no different than the high power level setting. The medium just limits the power back a few watts on the AM...

I have a gizmotchy g31 3 element beam mounted on a tripod on the roof of my home. I'm only using the vertical elements of the antenna. The boom of the antenna is 24 foot in the air. My IMAX 2000 is on a 40-foot Tower. From my on the air RX comparisons I notice stations that are local are about...

Kind of bored with my current antenna setup and have heard that a quad antenna can be very fun to use. The quad would be in addition to what I already have. My first choice would be lightning antennas L2 quad My second choice would be made by cubex quad in Michigan. I think his is called Magnum...

Reading the new manual for this antenna. http://www.sirioantenne.it/prodotti_all.php?category=HF+(3-30+MHz)+Base+Antenna&antenna=++SY-3&idc=1008171241&idg=1008171169&idp=63 Sirio claims they optimized the antenna to allow users to adjust for 10 meter coverage. With knowledge of how a yagi works...

Wanting to change the roger beep in my HR 2510 to a long and loud beep. I really like to stand out while on AM and I think having a really loud and long roger beep will do that lol. Roger Beep Mods (via CBtricks.com) The Roger Beep in the HR2510 is ‘Unique’ but kind of wimpy..To modify this...

Has anyone on the forum sent a radio for repair or improvements to Doc recently?

I picked up a Echomax 2000 microphone that is in need of a new foam cover for the element. Found this online and wondering if it will fit properly? UNIVERSAL MICROPHONE WINDSCREEN from Pilotshop.com

Over the past week or so I have noticed the so called Ebay police have not been enforcing the ban on the Uniden/President HR 2510/Linclon/HR 2600 series radios being sold on Ebay. I know from experience that listing any of them would get the listing kicked off very quickly. Maybe they have...

Found this on Ebay. Antenna Tripod 29ft Aluminum Portable Tower Mast Kit New | eBay Minus the high price I was thinking it could be used for many purposes at my house. My main use would be for medium sized VHF or UHF yagis if the mast when guyed was robust enough to handle the load. May also...

Picked one of these up new. Will be here tomorrow. Anyone use one before? Heard they are a very nice sounding Mic. Was recommended by the Tech at Ranger warranty repair in California. Will be wiring to a 4 pin cobra plug to use with my mic adapters for Kenwood, Ranger, and 5 pin Cobra...