That's the normal configuration even with the factory hardware. The HHC doesn't have an audio amplifier in it.
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XG-100M and features
- Thread starter merlin
- Start date
The HHC does have an audio amp. It’s two watts and works great for headphones or a headset provided you follow the wiring instructions in the manual. I have mine wired to a stereo 3.5mm jack for any old headphones and a mono 2.5mm jack for a standard Harris-style earpiece. It will also play nice with an AUX input on a car stereo so I can put the manpack in any vehicle, connect to the stereo and throw a mag mount on the roof.
-B
prcguy
Member
Just put one of my new (to me) XG-100Ms in my Jeep truck replacing a Yea-Hoo FTM-400XDR. There are tapped holes in the Harris control head that interface with a common RAM mount foot making the install very easy. RAM mount is sticking out the front of the center console.
The ability to scan both CHP VHF-lo and 700MHz extender freqs is great when on the CA freeways. The extenders have limited range so if you hear one its like a radar detector going off, hit the brakes!
The ability to scan both CHP VHF-lo and 700MHz extender freqs is great when on the CA freeways. The extenders have limited range so if you hear one its like a radar detector going off, hit the brakes!
The price they are getting for the 400 you can probably pay for your new XG
prcguy
Member
I successfully added an amplifier to an XG-100M for VHF lo band but it falls a little short on power. I got a cheap wideband amp off fleabay to drive a military Tricom RAMP-25 broadband amp which is rated 18-20w out on 12V and 40w out on 28V. I originally thought the Harris put out about 7mw in the VHF lo band but it measures more like 2mw. 7mw should have driven the fleabay amp to full output or about 2.5w, plenty to drive the Tricom amp to full output but I'm only getting a little over a watt out of the fleabay amp.
Here are pics of the parts and setup which when tapped into a PTT line will key the transfer relay providing a straight through receive path then switching the Harris to the fleabay amp and on the Tricom amp and antenna on transmit. All my work benches are buried today so I had to use a chair as a workbench for this test. One pic shows the power out of the fleabay amp and the other show power out of the Tricom amp.
prcguy
Member
I passed up an eBay offer yesterday on an XG-100M brick for $240. I should have grabbed it even though I don't really need another one.
That service monitor, that's an HP 8920, is it? I have thirteen of them...need to go through them and identify which ones have no faults, and which ones have whatever faults.
prcguy
Member
Its an 8920A with all features, love it.
That’s really curious about power output. One of mine is 9mW. I’ve not measured the other. Mind sharing the flea bay amp part number or listing? Does the part happen to be part 90 certified? We have some lo-band users that we assist from time to time…
Thanks,
Brian
prcguy
Member
I thought I had measured more drive power but I have two radios here and I need to measure them again. Here is the driver amp I used and there is no FCC cert on an amp like this and there doesn't need to be on a driver amp. 1-1000Mhz 2.5W RF Power Amplifier for HF FM Transmitter Vhf Uhf Rf Ham Radio AMP | eBay
The Tricom output amp is very smart, has built in frequency measurement and it automatically selects an output band pass filter with about -70dBc specs for harmonics. The Tricom amp is good for 30-512Mhz and I'm only tickling it with 33-48Mhz on this radio.
prcguy
Member
Just discovered by accident the fleabay amplifier does not saturate in a typical way, it peaks out then folds back the power when overdriven and I was overdriving it. Using a variable 1dB step attenuator I found the sweet spot and its driving the Tricom final amp to about 23w out when the Tricom is operating off 12v and 29w when running of 28v. There is plenty of power from the Harris radio for this cheap fleabay amplifier which then drives the larger Tricom final amplifier.
I also discovered the XG-100M will do military 150Hz tone encode and decode, perfect for setting these up for military VHF lo band scanning. Notice the service monitor showing 29 watts of power and also a 149.99Hz encode tone at 757Hz deviation.
I also discovered the XG-100M will do military 150Hz tone encode and decode, perfect for setting these up for military VHF lo band scanning. Notice the service monitor showing 29 watts of power and also a 149.99Hz encode tone at 757Hz deviation.
Yep, like an old syntor X9000. Perfect mil scanner.
I have an XG100M now and I've only begun setting up the programming. I really know nothing about low band mil scanning, is this 150 Hz tone a standard feature of low band mil coms?
There are some Harris RF-5800 radios on fleabay right now. A pair of them. Too bad, if it was just one and not a pair I might be able to afford it.
There are some Harris RF-5800 radios on fleabay right now. A pair of them. Too bad, if it was just one and not a pair I might be able to afford it.
So I’ve not messed with this much, but the Harris radios should support any CTCSS frequency… I can put random numbers into RPM2 (like 68.0 or 76.0) and it accepts the value. in RPM, the decimal point is important. If there is a decimal point, you are entering CTCSS, and if there is no decimal point, you are entering a DCS value.
The military and “NATO standard” CTCSS is 150 dead. That’s all I know.
-B
prcguy
Member
The old Vietnam era mil radio voice and tone standard was +/- 15KHz voice deviation and 150Hz tone at +/- 3KHz deviation and at the same time commercial/amateur specs were much narrower at +/- 5KHz total voice/tone deviation and 750Hz tone deviation. The current military standard is 5KHz voice deviation and the tone deviation is less than 3KHz and around 1.5KHz depending on radio make and model. This is to ensure the transmit tone deviation is high enough to trigger older mil radios tone squelch.
With that said the XG-100M does not have enough tone deviation to work with older mil radios like PRC-77s, RT-524s, etc, but should be ok with modern mil radios made from the mid 1980s on. The XG-100M receive tone squelch should be ok with any mil radio using 150Hz tone.
With that said the XG-100M does not have enough tone deviation to work with older mil radios like PRC-77s, RT-524s, etc, but should be ok with modern mil radios made from the mid 1980s on. The XG-100M receive tone squelch should be ok with any mil radio using 150Hz tone.
I have one of those too, love it, love it. I put the aftermarket LCD display in it; make a huge difference.
When your ready to sell the 400 let me know
hello prcguy. what was the rf bypass relay you used with the “preamp”? how are you figuring on triggering it? is there an output from the xg100m on one of the connector? thanks. Jeff N2IA.
I thought XLPR06P01 was the most current ?
For the 100P, they are functionally the same… but T02 comes after P01 and should be the last release supported by the 100P.
-B
