[amsat-bb] Best HT for satellite operation?

Fri Mar 10 16:18:44 UTC 2017

FT-51 will do full duplex on satellite. Duplexer isolation leaves much
to be desired. Moderately usable on AO-51. Useless on SO-50, though.

I vote for the FT-50 and FT-51. Personally use both.

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On Thu, Mar 9, 2017 at 8:07 PM, Skyler F <electricity440 at gmail.com> wrote:
> I find it annoying that lots of the American HT's don't support cross-band
> channels. For sure, not the new Icoms, don't think the TH-F6, but all
> Chinese radios I have played with will do split band channels.
>
>
> On Thu, Mar 9, 2017 at 5:00 PM, Tucker McGuire <tucker at mcguireland.com>
> wrote:
>
>> My FT-530 most certainly does true full duplex on mode B and mode J. You
>> must be misinformed on the features of these HT's.
>>
>> Cheers & 73,
>> Tucker
>> W4FS
>>
>>
>>
>> On Mar 9, 2017 6:55 PM, "Gabriel Zeifman" <gabrielzeifman at gmail.com>
>> wrote:
>>
>> Even the $30 Baofengs support cross-band memories for sat operations.
>> That's how I started, but as Paul said, half-duplex on FM should not be
>> condoned now, especially as our FM birds get more and more crowded and it
>> becomes just an additional source of QRM.
>>
>> I've been very happy with my D72A. Packet is a nice feature to have to work
>> ISS and NO-84.
>>
>> 73,
>> Gabe
>> NJ7H
>>
>> > On Mar 9, 2017, at 5:45 PM, Paul Stoetzer <n8hm at arrl.net> wrote:
>> >
>> > You are simply wrong. The Kenwood TH-D72, D7, D7(G) as well as the Yaesu
>> > FT-470 and FT-530 all are excellent full-duplex HTs with no desense.
>> >
>> > It appears you are suggesting that people operate half-duplex. That can
>> > work somewhat, but is definitely not something I would ever recommend.
>> >
>> > 73,
>> >
>> > Paul, N8HM
>> >
>> > On Thu, Mar 9, 2017 at 18:25 Dale Kubichek via AMSAT-BB <
>> amsat-bb at amsat.org>
>> > wrote:
>> >
>> >> Message: 10
>> >> Date: Thu, 9 Mar 2017 14:17:14 -0500
>> >> From: Tucker McGuire <tucker at mcguireland.com>
>> >> To: Andrew Glasbrenner <glasbrenner at mindspring.com>
>> >> Cc: "amsat-bb at amsat.org" <amsat-bb at amsat.org>
>> >> Subject: Re: [amsat-bb] Best HT for satellite operation? This is a
>> loaded
>> >> questions and every HAM I've ever met has opinions...
>> >> It is better to ask what HT's fit SAT OPs functionality:
>> >>
>> >> Everyone wants 'full duplex', I've not seen a dual-band HT that can do
>> >> 'real' RX while the PTT is pushed, period!
>> >>
>> >> Nest shoot for - What dual-band HT can program SAT offsets (in the SAME
>> >> single memory)?
>> >> My definition: in one memory can program both 2m-RX AND 70cm-PTT or
>> >> vice-versa.
>> >> Why: you only need say 4 or 5 memories per SAT for AOS/LOS OPs - one
>> less
>> >> hand needed and far less hassle.  I know Yaesu and Wuoxon can do this
>> via
>> >> PC Program. Kwood TH-F6, Icom IC-91/T8, Alinco G7 cannot they can do it
>> >> only via flipping the A/B Bands (pain in the butt) - they do not allow
>> >> cross band offsets in memory.
>> >>
>> >> Now another BAD issue with Yeasu & Wuoxun is they both have a high
>> >> discharge rate of battery when in the OFF state. I found if I leave my
>> HT's
>> >> on the shelf for +60days I must isolate the battery for the radio to
>> >> eliminate wasteful discharging dropp[ing a B-Meter bar. I do this by
>> using
>> >> a 'paper' business-card cut it to size, sandwich between the battery and
>> HT
>> >> - isolating the battery contacts. Easy, simple, effective, cheap - what
>> HAM
>> >> Radio is all about.
>> >>
>> >> Best regards,
>> >> Dale Kubichek, MS-EET, N6JSX
>> >> Sidney, OH 45365  EN70vh
>> >>
>> >>
>> >> http://groups.yahoo.com/group/HAM-SATs
>> >> http://groups.yahoo.com/group/RDF-USA
>> >> _______________________________________________
>> >> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> >> to all interested persons worldwide without requiring membership.
>> Opinions
>> >> expressed
>> >> are solely those of the author, and do not reflect the official views of
>> >> AMSAT-NA.
>> >> Not an AMSAT-NA member? Join now to support the amateur satellite
>> program!
>> >> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>> >>
>> > _______________________________________________
>> > Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> > to all interested persons worldwide without requiring membership.
>> Opinions expressed
>> > are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> > Not an AMSAT-NA member? Join now to support the amateur satellite
>> program!
>> > Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>>
>> Sent from my iPad
>>
>> > On Mar 9, 2017, at 5:45 PM, Paul Stoetzer <n8hm at arrl.net> wrote:
>> >
>> > You are simply wrong. The Kenwood TH-D72, D7, D7(G) as well as the Yaesu
>> > FT-470 and FT-530 all are excellent full-duplex HTs with no desense.
>> >
>> > It appears you are suggesting that people operate half-duplex. That can
>> > work somewhat, but is definitely not something I would ever recommend.
>> >
>> > 73,
>> >
>> > Paul, N8HM
>> >
>> > On Thu, Mar 9, 2017 at 18:25 Dale Kubichek via AMSAT-BB <
>> amsat-bb at amsat.org>
>> > wrote:
>> >
>> >> Message: 10
>> >> Date: Thu, 9 Mar 2017 14:17:14 -0500
>> >> From: Tucker McGuire <tucker at mcguireland.com>
>> >> To: Andrew Glasbrenner <glasbrenner at mindspring.com>
>> >> Cc: "amsat-bb at amsat.org" <amsat-bb at amsat.org>
>> >> Subject: Re: [amsat-bb] Best HT for satellite operation? This is a
>> loaded
>> >> questions and every HAM I've ever met has opinions...
>> >> It is better to ask what HT's fit SAT OPs functionality:
>> >>
>> >> Everyone wants 'full duplex', I've not seen a dual-band HT that can do
>> >> 'real' RX while the PTT is pushed, period!
>> >>
>> >> Nest shoot for - What dual-band HT can program SAT offsets (in the SAME
>> >> single memory)?
>> >> My definition: in one memory can program both 2m-RX AND 70cm-PTT or
>> >> vice-versa.
>> >> Why: you only need say 4 or 5 memories per SAT for AOS/LOS OPs - one
>> less
>> >> hand needed and far less hassle.  I know Yaesu and Wuoxon can do this
>> via
>> >> PC Program. Kwood TH-F6, Icom IC-91/T8, Alinco G7 cannot they can do it
>> >> only via flipping the A/B Bands (pain in the butt) - they do not allow
>> >> cross band offsets in memory.
>> >>
>> >> Now another BAD issue with Yeasu & Wuoxun is they both have a high
>> >> discharge rate of battery when in the OFF state. I found if I leave my
>> HT's
>> >> on the shelf for +60days I must isolate the battery for the radio to
>> >> eliminate wasteful discharging dropp[ing a B-Meter bar. I do this by
>> using
>> >> a 'paper' business-card cut it to size, sandwich between the battery and
>> HT
>> >> - isolating the battery contacts. Easy, simple, effective, cheap - what
>> HAM
>> >> Radio is all about.
>> >>
>> >> Best regards,
>> >> Dale Kubichek, MS-EET, N6JSX
>> >> Sidney, OH 45365  EN70vh
>> >>
>> >>
>> >> http://groups.yahoo.com/group/HAM-SATs
>> >> http://groups.yahoo.com/group/RDF-USA
>> >> _______________________________________________
>> >> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> >> to all interested persons worldwide without requiring membership.
>> Opinions
>> >> expressed
>> >> are solely those of the author, and do not reflect the official views of
>> >> AMSAT-NA.
>> >> Not an AMSAT-NA member? Join now to support the amateur satellite
>> program!
>> >> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>> >>
>> > _______________________________________________
>> > Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> > to all interested persons worldwide without requiring membership.
>> Opinions expressed
>> > are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> > Not an AMSAT-NA member? Join now to support the amateur satellite
>> program!
>> > Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>> _______________________________________________
>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership. Opinions
>> expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>> _______________________________________________
>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership. Opinions
>> expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>>
>
>
>
> --
> Skyler Fennell
> amsatnet.info
> KDØWHB
> electricity440 at gmail.com
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions expressed
> are solely those of the author, and do not reflect the official views of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb