Wednesday, November 28, 2018

L/V mode

Allright, I did it!

After getting scammed into getting 2 (count'em 2) chinese 1.2GHz yagis (long story), I finally
saw the Black Friday price of an Alinco DJ-G7T on HRO and did it!

Picked up the HT and once my wife gets over it, it'll be onto AO-92 L/V mode.


Thursday, September 06, 2018

NO-84 APRS

is alive and well... but just not populated by many real live ops! :(

www1.findu.com
findU needs your help Amateur Radio Stations heard via Satellite. This page captures downlink packets from the APRS enabled unmanned satellites.


00:00:21:25 : PSAT]APWW10,KJ4ERJ-15,TCPIP*,qAS,KJ4ERJ-15::KA2CZU-2 :E^66 SE LOS 5m56s{LL}
00:00:21:45 : W4TBD-6]CQ,PSAT,ARISS*,SGATE,FM17DK,qAR,KG4PID-14::K3RRR :73 de Ed W4TBD w4tbd@arrl.net VA FM17dk
00:00:23:01 : PSAT]APWW10,KJ4ERJ-15,TCPIP*,qAS,KJ4ERJ-15::KA2CZU-2 :E^66 SE LOS 5m56s{LL}
00:00:23:40 : PSAT]APRSON,ARISS,qAR,KG4PID-14:s#033888,0z000
00:00:23:44 : W4TBD-6]CQ,PSAT,ARISS*,SGATE,FM17DK,qAR,KG4PID-14:=3726.20N/07742.21W-73' Via ISS w4tbd@arrl.net FM17dk IGate WLNK-1
00:00:24:05 : PSAT]APWW10,KJ4ERJ-15,TCPIP*,qAS,KJ4ERJ-15::KA2CZU-2 :E^66 SE LOS 5m56s{LL}
00:00:24:17 : W4TBD-6]CQ,PSAT,ARISS*,SGATE,FM17DK,qAR,KG4PID-14::K3RRR :73 de Ed W4TBD w4tbd@arrl.net VA FM17dk
00:00:24:33 : KA2CZU-2]3Y5W7S,PSAT,ARISS*,qAR,KD2PYB-1:`fRDl#UK\]KA2CZU-2 Rob FM29 Live OP=
00:00:24:38 : PSAT]APWW10,KJ4ERJ-15,TCPIP*,qAS,KJ4ERJ-15::KA2CZU-2 :E^66 SE LOS 5m56s{LL}
00:00:24:42 : K0KOC-7]3Y2S1Y,PSAT,ARISS*,qAR,KD2PYB-1:'i4wl #/]=
00:00:24:56 : KB2M-2]3YTU0V,PSAT,ARISS*,qAR,KG4PID-14:'g]'l `/]Live Op FM29=
00:00:25:13 : KA2CZU-2]APK003,PSAT,ARISS*,qAR,KD2PYB-1::PSAT :1{28
00:00:25:13 : PSAT]APWW10,TCPIP*,qAS,KJ4ERJ-15::KA2CZU-2 :ack28
00:00:25:13 : PSAT]APWW10,KJ4ERJ-15,TCPIP*,qAS,KJ4ERJ-15::KA2CZU-2 :E^66 SE LOS 5m56s{LL}
00:00:25:14 : KA2CZU-2]APK003,PSAT,ARISS*,qAR,KD2PYB-1::K0KOC-7 :FM29 in NJ{27
00:00:25:16 : KA2CZU-2]APK003,PSAT,ARISS*,qAR,KG4PID-14::KB2HSH :TNX es 73{25
00:00:26:57 : KB2M-2]3YTU0V,PSAT,ARISS*,qAR,WA8LMF-SG:'g]'l `/]Live Op FM29=
00:00:28:18 : W4TBD-6]CQ,PSAT,ARISS*,SGATE,FM17DK,qAR,KG4PID-14:=3726.20N/07742.21W-73' Via ISS w4tbd@arrl.net FM17dk IGate WLNK-1
00:00:28:37 : KA2CZU-2]3Y5W7S,PSAT,ARISS*,qAR,W0ARP-15:`fRDl"yK\]KA2CZU-2 Rob FM29 Live OP=

Monday, July 30, 2018

recent Sats

Finally been carving out time to get on the relatively "recent" Satellites, AO-91 and AO-92, as well as try SO-50 and AO-85. The latter 2 have both presented challenges and AO-92's schedule hasn't been cooperating with my daytime schedule.

That leaves AO-91, and I'm finally feeling like I am getting a "feel" for the rhythm of good FM "repeater in the sky" QSOs.

Getting confirmations are another thing.

Doing this all with 2 hands is a third thing.

BUT... I'm getting there.

Elk antenna, TH-D72A, pad and pen. ISS detector w/Ham extensions (though the lunchtime pass of SO-50 seemed way screwed up... near LOS the app was showing a 20 deg + elevation which both the downlink signal strenth and common sense told me was nonsense, all other sats have seemed right on target)

So, getting some contacts in the log, if not too many confirmations.

Monday, July 23, 2018

Contact

ok, been a while since I posted.

It was a longer while since I actually tried to make 2 way contacts on the sats. Just too many pans in the fire.

That said, finally got out last week for some AO-91 and AO-92 passes. Great weather (hot), a few breaks from work, and some halfway decent passes.

The rig of choice was the simplest possible arrangement I could come up with:
- Kenwood TH-D72A
- Pryme Radio AL-800 telescoping 2m/70cm antenna






https://www.picclickimg.com/d/l400/pict/291931752504_/UHF-VHF-Telescopic-Dual-Band-Antenna-AL800-SMA.jpg

Note that the AL-800 I have came with a BNC connector, so I picked up a SMA-BNC connector that screws flush with the D72A such that it makes a firm mount... not depending on the thinner sma connector but snugged up against the D72A's shell nicely.





https://images-na.ssl-images-amazon.com/images/I/41BrEoFCtnL.jpg


So, with that combo I've found some good and bad.

The good is that both AO-91 and AO-92 hear well enough for this to be a viable setup... provided it's not too busy a pass. I use an earbud and am running full duplex, but with a very busy pass you still wind up occasionally stepping on someone else. This antenna does not provide quite enough gain to hit lower angles from my locations, not capture the sat easily when there are a lot of folks *not* running full duplex, but not strong enough themselves to be heard.

All in all made a few contacts, had some fun.

Now back to bringing my elk log periodic yagi along for the ride :D

Monday, May 07, 2018

FM Satellite Frequency Summary and Programming Charts


FM Satellite Frequency Summary and Programming Charts

SO-50
Channel #
Alpha
TX Freq
TX Tone
RX Freq
RX Tone
501
50 +2
145.850
67.0
436.805
None
502
50 +1
145.850
67.0
436.800
None
503
50 74
145.850
74.4
436.795
None
504
SO-50
145.850
67.0
436.795
None
505
50 -1
145.850
67.0
436.790
None
506
50 -2
145.850
67.0
436.785
None

AO-91 (Fox-1B)
911
AOS 2
435.240
67.0
145.960
None
912
AOS 1
435.245
67.0
145.960
None
913
AO-91
435.250
67.0
145.960
None
914
LOS 1
435.255
67.0
145.960
None
915
LOS 2
435.260
67.0
145.960
None

AO-92 (Fox-1D)
921
AOS 2
435.340
67.0
145.880
None
922
AOS 1
435.345
67.0
145.880
None
923
AO-92
435.350
67.0
145.880
None
924
LOS 1
435.355
67.0
145.880
None
925
LOS 2
435.360
67.0
145.880
None

AO-85 (Fox-1A)
Fox-1A Doppler Shift Correction
Your Transmit Frequency (with 67 Hz tone)
Your Receive Frequency
AOS (Mem.1)
435.170 MHz
145.980 MHz
Approaching (Mem.2)
435.175 MHz
145.980 MHz
Passing (Mem.3)
435.180 MHz
145.980 MHz
Departing (Mem.4)
435.185 MHz
145.980 MHz
LOS (Mem.5)
435.190 MHz
145.980 MHz

Fox-1 Series UHF Transmit Doppler Shift Correction
Transmit with
67 Hz CTCSS on all
uplink frequencies
Fox-1A (AO-85)
Receive 145.980
RadFsSat/Fox-1B
(AO-91)
Receive 145.960
Fox-1Cliff
Receive 145.920
Fox-1D (AO-92)
Receive 145.880
AOS (Mem.1)
Fc - 10 KHz *
Fc - 10 KHz
Fc - 10 KHz
Fc - 10 KHz
Approaching (Mem.2)
Fc - 5 KHz
Fc - 5 KHz
Fc - 5 Khz
Fc - 5 KHz
Nearest (Mem.3)
Fc = 435.170 MHz
Fc = 435.250 MHz
Fc = 435.300 MHz
Fc = 435.350 MHz
Departing (Mem.4)
Fc + 5 KHz
Fc + 5 KHz
Fc + 5 KHz
Fc + 5 Khz
LOS (Mem.5)
Fc + 10 KHz
Fc + 10 KHz
Fc + 10 KHz
Fc + 10 KHz




Frequencies for Fox-1A, B, Cliff, and D

Uplink FM (67 Hz tone)
Downlink FM
Fox-1A (AO-85)
435.170 MHz
145.980 MHz
Fox-1B (AO-91) / RadFxSat
435.250 MHz
145.960 MHz
Fox-1Cliff*
435.300 MHz / 1267.300 MHz **
145.920 MHz
Fox-1D (AO-92)*
435.350 MHz / 1267.350 MHz **
145.880 MHz

AMSAT Fox-1 Satellites

Uplink FM
(67 Hz CTCSS)
Downlink FM
Comments
AO-85 (Fox-1A)
435.170 MHz
145.980 MHz
Operational
AO-91 (RadFxSat / Fox-1B)
435.250 MHz
145.960 MHz
Operational
AO-92 (Fox-1D)
435.350 MHz &
1267.359 MHz*
145.880 MHz
Operational
Fox-1Cliff
435.300 MHz &
1267.300 MHz*
145.920 MHz
Launch Summer 2018
* Switchable by command station. Not operational simultaneously.
SO-50 (SaudiSat-1C)

Uplink FM
(67 Hz CTCSS)
Downlink FM
Comments
SO-50
145.850 MHz
436.795 MHz
Operational
SO-50 also has a 10 minute timer that must be armed before use. Transmit a 2 second carrier with a CTCSS tone of 74.4 Hz to arm the timer.
CAS-3H (LilacSat-2)

Uplink FM
Downlink FM
Comments
CAS-3H (LilacSat-2)
144.350 MHz
437.200 MHz
Operational
When FM transponder is not on, there is a telemetry beacon on 437.200 MHz (LilacSat-2 Home Page). The FM transponder is on no set schedule. For real time updates about which mode the satellite is in, see the AMSAT Live OSCAR Satellite Status Page
IO-86 (LAPAN-A2)

Uplink FM
(88.5 Hz CTCSS)
Downlink FM
Comments
IO-86 (LAPAN-A2)
145.880 MHz
435.880 MHz
Operational
Satellite is in a low-inclination low earth orbit and not visible north of about 30 degrees north or south of 30 degrees south. FM transponder operations are by schedule only. See https://twitter.com/lapansat for schedule updates.
FUNcube on ESEO

Uplink FM
Downlink FM
Comments
FUNcube on ESEO
1263.500 MHz
145.895 MHz
Launch 2018
Also downlinks 4k8 BPSK telemetry
Duchifat3

Uplink FM
Downlink FM
Comments
Duchifat3
145.970 MHz
436.400 MHz
Launch Late 2018
Also downlinks 9k6 BPSK AX.25 telemetry 437.475 MHz. Possible 145.825 MHz APRS transceiver.
K2SAT

Uplink FM
Downlink FM
Comments
K2SAT
145.980 MHz
435.835 MHz
Launch H2 2018
Telemetry downlink 435.835 MHz. Data downlink 2404 MHz (2 mbps QPSK).
Diwata-2

Uplink FM
Downlink FM
9Comments
Diwata-2
43X.XXX MHz
145.XXX MHz
Launch Q2 2018
Also includes APRS and a CW beacon.