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Motorola HPD-1000

This forum is dedicated to the general computer related issues we all come across on a daily basis, such as e-mail/Internet/Operating System/virus/spyware, etc questions & problems.

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Jim202
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Joined: Sun Sep 09, 2001 4:00 pm

Motorola HPD-1000

Postby Jim202 » Wed Sep 28, 2016 12:24 pm

Can anyone give me some feedback on the Motorola HPD-1000m data modem? Are they of any value to the experimenter, or can they be of any value to the ham community?

Jim

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d119
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Re: Motorola HPD-1000

Postby d119 » Thu Sep 29, 2016 4:53 pm

Not without the system. I'm told they are much like the VRM - just about useless as a modem. I believe the HPD1000 is it's own radio as well, so probably nothing useful on it. Let us know if you hear otherwise!

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spectragod
Posts: 1979
Joined: Sun Dec 30, 2001 4:00 pm
What radios do you own?: FPP 6 meter XTL 5K's

Re: Motorola HPD-1000

Postby spectragod » Thu Sep 29, 2016 5:13 pm

If you have a boat, you can use them as anchors, we nicknamed it half performance data.....
Kilgore: Smell that? You smell that?
Lance: What?
Kilgore: Napalm, son. Nothing in the world smells like that.
Kilgore: I love the smell of napalm in the morning. You know, one time we had a hill bombed, for 12 hours. When it was all over, I walked up. We didn't find one of 'em, not one stinkin' dink body. The smell, you know that gasoline smell, the whole hill. Smelled like... victory. Someday this war's gonna end...

____________
Revelation 6:8

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Astro Spectra
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Re: Motorola HPD-1000

Postby Astro Spectra » Sat Oct 01, 2016 2:04 pm

The do work well and use standard CPS. You do not need a real IV&D system to use them. They only work in 700/800 MHz and while 900 MHz might be theoretically possible it would be a real effort.

You can use the P25 modulation on simplex but not in HAI mode. Not at least in my experience.

The data rate on 800 MHz is limited by FCC rule restricting the radio to 4FSK modulation and P25 symbol rates in 12.5 KHz but at the 700 MHz in 25 KHz the radio does the high order HAI modulation that delivers the 96 kbps rates these heavy babies can deliver.

So without major hacks and building your own infrastructure they are a curiosity despite the attractive $100 price tag. If you don't have access to spectrum at 800 MHz then you are up for a real (but probably not impossible) to shift them to 900 MHz.

Jim202
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Re: Motorola HPD-1000

Postby Jim202 » Sat Oct 01, 2016 6:55 pm

Astro Spectra wrote:The do work well and use standard CPS.


Can you tell me what the "standard CPS" is that these radios use.

Jim

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Astro Spectra
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Re: Motorola HPD-1000

Postby Astro Spectra » Sat Oct 01, 2016 8:08 pm

Normal Astro 25 mobile part of RVN4186. You'll find under Radio Information > Feature Set > G858 HPD Operation

I just popped open a code plug and in addition to my previous comments:

On conventional you can only select P25 operation and get the slow P25 packet data system operation (TIA-102.BAEB). As with the XTL/XTS with packet data option W947/Q947. Works the same and is interoperable. If you're into P25 data then the HPD makes a nice base radio because of the Ethernet jack. P25 packet data tx range 764 to 869 MHz to TIA-102.BAEB.

On trunking systems you can select HPD operation with 64QAM HPD supported 794 to 824 MHz.

Internal photo are on the FCC OET or here: https://fccid.io/document.php?id=634111

Jim202
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Joined: Sun Sep 09, 2001 4:00 pm

Re: Motorola HPD-1000

Postby Jim202 » Sun Oct 02, 2016 3:56 pm

Astro Spectra wrote:Normal Astro 25 mobile part of RVN4186. You'll find under Radio Information > Feature Set > G858 HPD Operation

On conventional you can only select P25 operation and get the slow P25 packet data system operation (TIA-102.BAEB). As with the XTL/XTS with packet data option W947/Q947. Works the same and is interoperable.


That's a shame, I was wondering if they could be used in the analog mode, but I guess that is out with the information you have provided.

Thanks for the info. Guess they are all headed to the scrap yard.

Jim

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motorola_otaku
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What radios do you own?: 2 turntables and a microphone

Re: Motorola HPD-1000

Postby motorola_otaku » Thu Oct 06, 2016 8:46 am

They also can't be used as IV&D modems on a 9600 trunk system... learned that one the hard way.
When exposed to Rapid Fire Growth or Thermal Emergency, two things are lost:
1. Ability to use fine motor skills
2. Presence of mind

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spectragod
Posts: 1979
Joined: Sun Dec 30, 2001 4:00 pm
What radios do you own?: FPP 6 meter XTL 5K's

Re: Motorola HPD-1000

Postby spectragod » Mon Oct 10, 2016 5:00 am

Enough of them and you can use them for boat anchors. Or, if you just have a few, wheel chocks. I still have a couple in the shop, they were and are worthless.
Kilgore: Smell that? You smell that?
Lance: What?
Kilgore: Napalm, son. Nothing in the world smells like that.
Kilgore: I love the smell of napalm in the morning. You know, one time we had a hill bombed, for 12 hours. When it was all over, I walked up. We didn't find one of 'em, not one stinkin' dink body. The smell, you know that gasoline smell, the whole hill. Smelled like... victory. Someday this war's gonna end...

____________
Revelation 6:8


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