[time-nuts] UCCM arrived
Bob Camp
kb8tq at n1k.org
Sat Nov 26 21:18:25 EST 2016
Hi
For a long term installation, an antenna location that will “see” more sat’s is a really good idea.
Bob
> On Nov 26, 2016, at 8:55 PM, Giuseppe Marullo <giuseppe at marullo.it> wrote:
>
> Hello to all,
>
> I connected the unit to a 11m of H-155 cable(assumed 4.79dB loss "worst case" at 1.5GHz), thrown the GPS antenna on the balcony horizontally and this is what I got:
>
> UCCM-P >SYSTem:STATus?
>
> -------------------------------------------------------------------------------
> 57964-80 serial number 87896988 firmware ver 2.0.1.6-01 LINK mode
> -------------------------------------------------------------------------------
> Reference Status __________________________ Reference Outputs _______________
> XX Ref 8KHz 0: [Unusable]
> XX Ref 8KHz 1: [LOS] TFOM 2 FFOM 0
> XX Ref 8KHz 2: [LOS] UCCM A Status[ACTIVE]
> XX Ref 8KHz 3: [LOS]
> >> GPS: [phase:-1.2E-08]
> ACQUISITION ...................................................[GPS 1PPS Valid]
> Tracking: 4 ____ Not Tracking: 6 ________ Time ____________________________
> PRN El Az C/N PRN El Az GPS 23:42:46 26 Nov 2016
> 24 45 139 43 25 57 286
> 6 24 62 38 19 11 42 ANT DLY -1 ns
> 2 30 101 46 32 37 279 Position ________________________
> 29 30 206 41 12 70 37 MODE Hold
> 14 26 309
> 31 8 309 LAT N 45:40:29.276
> LON E 9:26:51.177
> HGT +320.96 m (MSL)
>
>
>
>
> ELEV MASK 5 deg
> -------------------------------------------------------------------------------
>
> Command complete
> UCCM-P >
>
>
> Seems to work (? I understand this from GPS phase and FFOM 0, not sure about the hold position status) I have somewhat stable 10MHz output, tomorrow I will use a mast for the antenna to get it higher slightly above the roof, (vertically this time!).
>
> - I got the software from the seller but complains about some ancient OCX stuff don't want to mess with ActiveX anymore, hopefully Lady Heater will support it soon.
>
> - Given the attenuation (less than 5 dB) do I really need to change the cable for something better?
>
> Leds are Yellow Activity solid, red unnamed blinking fast, Red 1PPS blinks once a second and DC green is solid.
>
> Anything else special to check?
>
>
> Giuseppe Marullo
>
> IW2JWW - JN45RQ
>
>
> PS: the other clock (qrp-labs) is way behind schedule, but hopefully will arrive soon
>
>
> `
>
>
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