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W4DPH > SAT 28.09.03 13:27l 62 Lines 2528 Bytes #-7471 (0) @ AMSAT
BID : ANS-271.06
Read: DG9MAQ GUEST
Subj: Logging satellite contacts via ARRL's Logbook of the World
Path: DB0ZKA<DB0SIP<OE9XPI<OE7XLR<OE2XOM<OE2XUM<OE5XBR<ON0AR<ON0AR<LU6DTS<
W4JAX<W4DPH
Sent: 030928/1125Z @:W4DPH.#TPA.FL.USA.NOAM #:6364 [CLW] FBB $:ANS-271.06
From: W4DPH@W4DPH.#TPA.FL.USA.NOAM
To : SAT@AMSAT
AMSAT News Service Bulletin 271.06 From AMSAT HQ
SILVER SPRING, MD. September 28, 2003
To All RADIO AMATEURS
BID: $ANS-271.06
ARRL's Logbook of the World (LoTW) system is a repository of log records
submitted by users from around the world. When both participants in a QSO
submit matching QSO records to LoTW, the result is a QSL that can be used
for ARRL award credit.
To minimize the chance of fraudulent submissions to LoTW, all QSO records
must be digitally signed using a digital certificate obtained from ARRL.
Obtaining such a certificate requires verification of the licensee's
identity either through mail verification (US) or inspection by ARRL of
required documentation (non-US).
Software developed by ARRL can be used to convert a log file (in ADIF or
Cabrillo file format) into a file of digitally signed QSO data, ready for
submission to LoTW.
LoTW began operation on September 15, 2003. Many details, as well as the
required Trusted-QSL (TQSL) software are available at
http://www.arrl.org/lotw/
Below is some information specific to entering satellite QSO data for use by
LoTW.
BAND field should show the satellite uplink band
BAND_RX field should show the satellite downlink band
Both the uplink and downlink bands of the two QSO records (yours and the
other station's) must match in order for LoTW to connect the two into a
"QSL" record. Also, LoTW infers the satellite mode from the two band fields,
and any future mode-specific awards will take notice of that.
FREQ and FREQ_RX fields can also be used in addition to or in place of BAND
and BAND_RX for the uplink/downlink.
The FREQ fields are used to infer the BAND fields if the BAND fields are not
present. Otherwise, the FREQ field values are ignored. If BAND is provided,
the FREQ fields need not even be consistent with the BAND fields: the BAND
fields are authoritative. If neither FREQ_RX nor BAND_RX is provided,
BAND_RX is assumed to be the same as BAND (that is, both uplink and downlink
are assumed to be in the same band).
Since the SAT_MODE field is not used by LoTW. The only way to record the
transponder mode is to use the BAND and BAND_RX fields.
PROP_MODE field should be set to SAT
SAT_NAME field should indicate the satellite name in the format cc-nn
(i.e. AO-40, FO-29)
The specific list of satellites can be viewed in the TQSL program's ADIF
editor. Satellites that aren't on that list will not be accepted by LoTW.
[ANS thanks Jon, KE3Z, for the above information]
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